Solving Equations with Addition or Subtraction Medina1.

Slides:

Advertisements

Similar presentations

Solving 2 Step Equations

Advertisements

Solve an equation with variables on both sides

Solving a System of Equations by ELIMINATION. Elimination Solving systems by Elimination: 1.Line up like terms in standard form x + y = # (you may have.

Solving for x December 7, Solving for x When solving an equation, the goal is to get the variable by itself on one side of the equation. Inverse.

Solving Equations Medina1 With Decimal & Fractions.

3-2 Solving Equations by Using Addition and Subtraction Objective: Students will be able to solve equations by using addition and subtraction.

Solving Equations Medina1 with Multiplication and Division.

One step equations using multiplication and division.

Solving Equations Medina1 Variables on Both Sides.

Use the Distributive Property to: 1) simplify expressions 2) Solve equations.

Solving Equations Medina1 Multi-Step Equations. Steps to solve Medina2 3. Use inverse of addition or subtraction You may not have to do all the steps.

Solve equations using addition and subtraction.

One step equations Add Subtract Multiply Divide  When we solve an equation, our goal is to isolate our variable by using our inverse operations.  What.

Solving Equations When do we use solving equations? We use solving equations methods when we know what the problem equals but not what the variable is.

Lesson 1-8 Solving Addition and Subtraction Equations.

One-Step Equations I can show that solving an equation leads to finding the value that makes the equation true.

to one side of an equation, When you do something.

Drill Complete 2-1 Word Problem Practice #1 – 4 in your groups. 1 group will be chosen to present each problem.

Solving One-Step Equations Unit 2, Lesson 3 Online Algebra 1

ONE STEP EQUATIONS Multiplication and Division ONE STEP EQUATIONS Example 1 Solve 3x = 12 Variable? x 3x = 12 x x 3 ÷ 3 Inverse operation? Operation?

Solving Addition and Subtraction Equations Lesson 2.3 and 2.4.

Multiply one equation, then add

2.2 Solving Two- Step Equations. Solving Two Steps Equations 1. Use the Addition or Subtraction Property of Equality to get the term with a variable on.

Solving Equations By Adding or Subtracting. Key Terms Inverse Operations: –You can use inverse operations to solve equations. –“Undo” each other by performing.

Solve Equations With Variables on Both Sides. Steps to Solve Equations with Variables on Both Sides  1) Do distributive property  2) Combine like terms.

Opener (5 + 6) • 2 a + (b + c) + (d • e) 18k x2 + 5x + 4y + 7

SOLVING ONE-STEP EQUATIONS Integrated Math I Objective: Solve one-step linear equations in one variable with strategies involving inverse operations and.

Solving a System of Equations by ELIMINATION. Elimination Solving systems by Elimination: 1.Line up like terms in standard form x + y = # (you may have.

Balancing Equations The student will be able to: solve equations using addition and subtraction.

1.4 Solving Equations.

Solving for a Specific Variable

Students will use inverse operations to solve one-step equations.

Solving Addition and Subtraction Equations

Students will use inverse operations to solve one-step equations.

Students will use inverse operations to solve one-step equations.

Solving Multi-Step Equations

Solving Two- Step Equations

Solve for variable 3x = 6 7x = -21

Solving Two-Step Equations

Multi-Step Equations with variable(s) on one side

Solving Two- Step Equations

Example 2 4 m 8 m 5m 12 m x y.

Solving One Step Equations

Students will use inverse operations to solve one-step equations.

Students will use inverse operations to solve one-step equations.

Solving Multi-Step Equations

Example 2 4 m 8 m 5m 12 m x y.

Solving Multi-Step Equations

Do Now 1) t + 3 = – 2 2) 18 – 4v = 42.

2-1 & 2-2: Solving One & Two Step Equations

Solving Multi-Step Equations

Solving One and Two Step Equations

Solving one- and two-step equations

Solving One Step Equations

Simultaneous Equations starter

Solving 1-Step Integer Equations

Solving Multi-Step Equations

Solving Equations with Variables on Both Sides

Solving Equations with Variables on Both Sides

Students will use inverse operations to solve one-step equations.

ONE STEP EQUATIONS Addition and Subtraction

Objective Solve one-step equations in one variable by using addition or subtraction.

Key Points (3-1) Add or Subtract to Solve Equations Introduction

Solving Multi-Step Equations

Objective Solve one-step equations in one variable by using addition or subtraction.

Solving Equations.

Do Now Solve. n + 9 = z = 55 n = x = z = -16

Solving Equations by 2-1 Adding or Subtracting Warm Up

Algebra Review “Solving Equations”

Students will use inverse operations to solve one-step equations.

Presentation transcript:

Solving Equations with Addition or Subtraction Medina1

Definition 2  Addition/Subtraction– inverse operations  Solve: get the letter by itself opposites variable

Steps Medina3 1.Use the inverse operation of addition or subtraction on both sides of the equation 2. Check answer “You know you are done solving when there is a positive 1 in front of the variable.” coefficient

Solving Equations with Algorithm Medina4 To Solve: Original problem Add 4 to both sides Check answer

Solving Equations with Algorithm Medina5 Check:

Solving Equations with Algorithm Medina6 To Solve: Original problem Subtract 4 from both sides Check answer Add the opposite

Solving Equations with Algorithm Medina 7 Check:

Solving Equations with Algorithm Medina 8 To Solve: Original problem Subtract ¾ from both sides Check answer

Solving Equations with Algorithm Medina 9 Check: