{ 3.2: Solving Addition and Subtraction Equation.

Slides:

Advertisements

Similar presentations

Solving Equations with variables on both sides of the Equals

Advertisements

Solving Equations = 4x – 5(6x – 10) -132 = 4x – 30x = -26x = -26x 7 = x.

3-5 Solving Equations with the variable on each side Objective: Students will solve equations with the variable on each side and equations with grouping.

Solve an equation with variables on both sides

Solve an equation using subtraction EXAMPLE 1 Solve x + 7 = 4. x + 7 = 4x + 7 = 4 Write original equation. x + 7 – 7 = 4 – 7 Use subtraction property of.

Pre-Algebra 10-3 Solving Equations with Variables on Both Sides Solving Equations with Variables on Both Sides Pre-Algebra.

Solving Equations with variables on both sides of the Equals Chapter 3.5.

Standardized Test Practice

3.1 – SOLVING EQUATIONS BY USING ADDITION AND SUBTRACTION.

Systems of Equations 7-4 Learn to solve systems of equations.

1-8 Solving Equations by Adding or Subtracting Warm-up: Fluency Quiz. Sit with paper blank side up. Homework: Page 41 #4-8 even, #12-16 even, even,

POD Solve each expression if x=4, y=7, and z=5 basicadvanced x + y +12 3x + y 2 − (-z) (4) − (-5) 3(4) + 49 − (-5) −

3.2 Solving Equations by Using Addition and Subtraction Addition Property of Equality –If the same number is added to each side of an equation, the resulting.

Chapter 6; Lesson 1 Solving 1-step Addition and Subtraction Equations Course 2 Mathematics Mr. Cline Laveen Campus.

Practice 2.2 Solving Two Step Equations.

Lesson 1 Chapter 3. Objectives Solve equations using addition and subtraction.

2.1 Solving One Step Equations. Addition Property of Equality For every real number a, b, and c, if a = b, then a + c = b + c. Example 8 = For every.

Lesson 1-8 Solving Addition and Subtraction Equations.

Solve an equation using addition EXAMPLE 2 Solve x – 12 = 3. Horizontal format Vertical format x– 12 = 3 Write original equation. x – 12 = 3 Add 12 to.

Example 1 Solving Two-Step Equations SOLUTION a. 12x2x + 5 = Write original equation. 112x2x + – = 15 – Subtract 1 from each side. (Subtraction property.

Solving Logarithmic Equations

Solve one step equations. You can add the same amount to both sides of an equation and the statement will remain true = = 9 x = y +

ALGEBRA TILES SOLVING EQUATIONS Replace the equation with tiles: Negative Positive -X X 1.

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

Solve One-Step Addition and Subtraction Equations.

 I can solve equations by using the Addition and Subtraction Properties of Equality.

* Collect the like terms 1. 2a = 2a x -2x + 9 = 6x z – – 5z = 2z - 6.

Solving 2 step equations. Two step equations have addition or subtraction and multiply or divide 3x + 1 = 10 3x + 1 = 10 4y + 2 = 10 4y + 2 = 10 2b +

Solving Equations with Variables on Both Sides. Review O Suppose you want to solve -4m m = -3 What would you do as your first step? Explain.

3.5 Solving Equations with Variables on Both Sides.

Write, Interpret and Use Mathematical Expression and Equations.

System of Equations Adapted by Mrs. Garay. Warm Up Solve for the indicated variable. 1. P = R – C for R 2. V = Ah for A 3. R = for C R = P + C Rt + S.

My Equations Booklet.

Equations Pre/Post Test

ONE STEP EQUATIONS.

ONE STEP EQUATIONS.

Variables on Both Sides with Equations

One-Step Equations with Subtraction

Solving Equations A “Balanced” Approach Skip to One-Step Equations

Solving Equations A “Balanced” Approach Skip to One-Step Equations

6-3 Solving Systems Using Elimination

One-Step Equations with Addition and Subtraction

EQ: How do I solve an equation in one variable?

Equations with Variables on Both Sides Day 2

USING GRAPHS TO SOLVE EQUATIONS

Solving Two-Step Equations Lesson 2-2 Learning goal.

2 Understanding Variables and Solving Equations.

EXAMPLE 4 Standardized Test Practice SOLUTION

Multi-Step Equations TeacherTwins©2014.

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

Solving Multi-Step Equations

Learn to solve equations with integers.

Multi-Step Equations TeacherTwins©2014.

a + 2 = 6 What does this represent? 2 a

Using the Properties Together

Solving 1-Step Integer Equations

Essential Question: What does it mean to say two quantities are equal?

Subtract the same value on each side

Equations – Success if you can do these

Think about… How is an equation like a balance scale?

Ch. 1.3 Solving Linear Equations

G Dear ©2010 – Not to be sold/Free to use

ONE STEP EQUATIONS WHAT?!?!.

How do I solve one-step equations

Solving basic equations

ONE STEP EQUATIONS.

One-Step Equations with Addition and Subtraction

Solving 1 and 2 Step Equations

Definition of logarithm

ONE STEP EQUATIONS.

Presentation transcript:

{ 3.2: Solving Addition and Subtraction Equation

 Subtraction Property of Equality: If you subtract the same number from each side of an equation, the two sides remain equal. Properties of Equality

 Addition Property of Equality: If you add the same number from each side of an equation, the two sides remain equal. Properties of Equality

Example

Example

Example

Example

Example

Example

 Clownfish and angelfish are popular tropical fish. An angelfish can grow to be 12 inches long. If an angelfish is 8.5 inches longer than a clownfish, how long is a clownfish? Example

 A pair of shoes costs $25. This is $14 less than the cost of a pair of jeans. Find the cost of the jeans. Example