1. Solving One Step Equations with Multiplication

2. Solving One Step Equations with Addition and Subtraction
Review: Try these - Show all work and check your solutions.
1.) y – 90 = ) q + 13 = 40
3.) 18 = 17 + x 4.) 35 = a + 12

3. Solving One Step Equations with Multiplication
Note:
* To solve equations with multiplication, you need to divide both sides by the coefficient of the variable.
* Remember, what you do to one side of an equation, you must do to the other. =
3 gold pouches = 6 coins
How many coins are in each pouch?
3x = 6
x = 2
This means that each pouch has 2 coins in it.
Original equation
Divide (inverse operation) both sides by 3 to isolate the x.
Check:
3x = 6
3(2) = 6
6 = 6
Solution
Original equation
Substitute your answer to check to see if the two sides are equal.
Yes, it does

4. Solving One Step Equations with Multiplication
Example 2:
12x = 36
x = 3
Note:
* To solve equations with multiplication, you need to divide both sides by the coefficient of the variable.
* Remember, what you do to one side of an equation, you must do to the other.
Original equation
Divide (inverse operation) both sides by 12 to isolate the x.
Solution
Check:
12x = 36
12(3) = 36
36 = 36
Original equation
Substitute your answer to check to see if the two sides are equal.

5. Solving One Step Equations with Multiplication
Try these: Show all work and check your solutions.
1.) 3x = ) 84 = 12y 3.) 3g = 39
Check: Check: Check:

6. Solving One Step Equations with Multiplication
Real-Life Application
Gabe and some friends shared the cost of food that they ordered from a local pizza restaurant. If the total was $42 and each person contributed $6, how many people shared the cost of the food? Set up and solve an equation to find the answer.
Verbal Story
Algebraic Equation

7. Solving One Step Equations with Multiplication
Real-Life Application
The area of a rectangle is 36 square inches. If its length is 9 inches, what is its width? Set up and solve an equation to find the answer.
Verbal Story
Algebraic Equation