Equations Review

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

2x - 3 + 4x = 27

• 12
• 4
• 5
• 15

3x + 2(4x - 4) = 3

• 4
• 3
• 2
• 1

WRITE AN EQUATION

You bought a magazine for $5 and four

erasers. You spent a total of $29. How

much did each eraser cost?

• 5 + x = 29

• 5 + 4x = 29

• 5x = 29

• 29 - 5 = -4x

WRITE AN EQUATION

Imani spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $4. What is her weekly allowance if she ended with $12?

• x/2 + 4 = 12

• x/2 - 4 = 12

• 12 - 4 = x

• 12 - 4 = -x/2

5x + 60 = 3x - 52

• -56

• 56

• -14

• 14

13 + 4x = 2x - 7

• 10

• -10

• 3

• -3

2x + 9 = 17

• 4

• 10

• 13

• 15

Beth ordered a pizza for her softball team. Delivery cost $5. Each pizza cost $6. How many pizzas did Beth order if she paid $35.00?

• 4 pizzas

• 5 pizzas

• 6 pizzas

• 7 pizzas