# Objective The student will be able to: - PowerPoint PPT Presentation

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Objective The student will be able to:. solve equations using multiplication and division. Designed by Skip Tyler, Edited by Mr. Nealey. 1) Solve. -5t = 60. To get the variable by itself, which number needs to be moved? -5

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Objective The student will be able to:

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### ObjectiveThe student will be able to:

solve equations using multiplication and division.

Designed by Skip Tyler, Edited by Mr. Nealey

### 1) Solve. -5t = 60

To get the variable by itself, which number needs to be moved?

-5

To move the -5, you have to do the opposite operation. What operation will we use?

division

### 1) Solve -5t = 60

-5 -5

t = -12

-5(-12) = 60

• Draw a line to separate the equation into 2 sides

• Inverse Operations: Divide both sides by -5

• Simplify

6 6

2.5 = n

15 = 6(2.5)

• Draw a line.

• Inverse Operations: Divide both sides by 6

• Simplify

## 2) Solve 15 = 6n

• v = -126

• v = -43

• v = 43

• v = 126

### 4) Solve

You don’t like fractions? Let’s get rid of them! 

“Clear the fraction”

by multiplying both sides of the equation by the denominator.

• Draw a line

• Clear the fraction – multiply both sides by 4

• Simplify

## 4) Solve

4 ·· 4

x = -48

### 5) Solve = 18

3 · = 18 · 3

2x = 54

2 2

x = 27

• Draw a line

• Clear the fraction – multiply both sides by 3

• Simplify

• Inverse Operations: Divide both sides by 2

• Simplify

### 6) Which step clears the fraction in

• Multiply by 3

• Multiply by 5

• Multiply by -12

• Multiply by -5