One Step Equations Add Subtract Multiply Divide

After you subtract 5 from both sides of the equation (3x + 5 = 20) what will the equation look like?

• 3x = 25

• 3x = 20

• 3x = 3

• 3x = 15

What should you do to solve for "z"?

• Subtract 4 from both sides.

• Divide both sides by 4.

• Multiply both sides by 4.

• Add -36 to both sides.

What is a good first step to solving this equation?

• Add 14 to both sides.

• Subtract 11 from both sides.

• Add 11 to both sides.

• Subtract 14 from both sides.

Solve the equation. What does w equal?

• w = 17

• w = 22

• w = 5-17

• w = 12

Solve the equation. What number does r equal?

• r = 72

• 9r = 8

Solve the equation. What is n?

• n=294

• n=35

• n=7

• n=6

Solve the equation. What is x?

• x=22

• x=-13

• x=-4

Solve the equation. What does y equal?

• y=-2

• y=2

• y=120

• y=22

In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation? 

• Subtract 7 from both sides. The solution is x = 5.

• Add 7 to both sides.
  The solution is x = 19.

• Multiply both sides by 7 The solution is x = 84.

Solve the following equation

1 + a = 15

• 14

• 16

• 12

• - 16