4th Nine Weeks Exam

• 15

• 9

• 12

• =15

n + 4 = 12

• 16

• 3

• 8

• 7

x - 7 = 2

• 5

• 9

• 7

• 14

What is the first step to solve for b:

2b = -16

• add 2 to both sides

• subtract 2 to both sides

• multiply 2 to both sides

• divide 2 to both sides

• x = 20
• x = 7
• x = 10
• x = 3

What is the first step to solving this equation?

• add -8 to both sides

• subtract -8 to both sides

• Multiply -8 to both sides

• divide -8 to both sides

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