Integer Operations/ Equations Review

7 - (-4) =

• 11

• 3

• -3

• 12

In the equation pictured here, what must be done to isolate x?

• Add 6 to both sides

• Subtract 2/3 from both sides

• Multiply both sides by 2/3

• Multiply both sides by 3/2

• -7

• 7

• -56

• -42

Any number (except zero) divided by itself equals ____.

• 0

• 1

• its opposite

• its reciprocal

In the equation 3x = 18, how do you isolate x?

• Add 3 to both sides

• Subtract 3 from both sides

• Multiply both sides by 3

• Divide both sides by 3

• 320

• -5

• 5

• 32

3 + (-5) =

• 8

• -8

• -2

• -15

-5 - (-7) =

• -12

• 12

• -2

• 2

What must I do to both sides of this equation to isolate the variable m?

• Multiply both sides by 1/9

• Multiply both sides by 9

• Multiply both sides by -9

• Subtract 2 from both sides

In solving the 2-step equation pictured here, what should I do FIRST?

• Add 4 to both sides

• Subtract 1 from both sides

• Divide both sides by -4

• Subtract 9 from both sides