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

In an equation or inequality, you want to get the variable...

• on one side
• to disappear
• by itself

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

• multiplication
• addition
• subtraction
• division

How do I solve:

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

How do I solve:

• add 7.2
• subtract 7.2
• add 14
• subtract 14

How do I solve:

• multiply by -6
• add -6
• divide by -6
• divide by 72

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.

• Subtract 12 from both sides

• Multiply both sides by 7

• Add 12 to both sides

Solve:

• -27
• -1/3
• -12
• 6

Solve: 

• -5
• -4
• -1/4
• -3