One-Step Equations

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

When solving 234 + N =389, what operation would you use to find the answer

• multiplication
• addition
• subtraction
• division

What number do you need to get rid of?

• 3

• 28

How do I solve:

• add 3
• multiply by 3
• divide by 3
• subtract 3

Solve the equation
3x = 27. 

• x = 24
• x = 81
• x = 9

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.

y - 33 = 147

• y = 114
• y = 177
• y = 180
• Answer not Given

Solve the following equation
2y = 18

• 36
• 16
• 9
• 20

Solve the following equation
14m = 28

• 2
• 14
• 32
• 1/2