Writing and Solving Equations

Evaluate: x-5 = -12

• 17

• -17

• 7

• -7

Evaluate: -35 + y= 70

• 35

• -35

• 105

• -105

What is the solution of the equation? 
1/3a = 7/9

• 2  1/3
• 1  2/7
• 7/27
• 1/3

Solve the equation:
-2.6 + x = -4.6

• x = 2
• x = -2
• x = 7.2
• x = -7.2

Solve the equation. Check your solution.

• 24
• ¹⁴⁷/₈ or 18 ³/₈
• 168
• -24

Solve

• 9.7
• 7.9
• 97
• 79

½ = -⅛j

• 4
• 8
• -4

If one roll of masking tape costs $1.15, how many rolls can Emma buy  with $5.75?

• 1.15(5.75) = x
• 5.75x = 1.15
• 1.15x = 5.75
• x = 1.15/ 5.75

Andrew has saved $55 toward the purchase of an IPOD. The IPOD costs $145. Which equation represents the amount Andrew needs to save to by the IPOD?

• 55 + x = 145
• 145x = 55
• 55 - x = 145
• 145 (55) = x

Saucy is cooking muffins. The recipe calls for 7 cups of sugar. She has already put in 2 cups. How many more cups does she need?

• 7 + 2 = x
• x = 2 + 7
• 2(7) = x
• 2 + x = 7