REVIEW Check In 3

What is the inverse operation of addition?

• addition
• subtraction
• multiplication
• division

x + 12 = 20

• x = 32
• x = -32
• x = 8
• x = -8

What equation matches this situation?
Robyn had some video games then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10
• v + 4 = 10
• 10 - 4 = v
• Answer not Given

What is the inverse operation needed to solve for p?
765 = p - 254

• subtraction
• addition
• multiplication
• division

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 
• Subtract 62 from each side.
• Multiply each side by 62.
• Add 123 to each side.

Solve each equation for the following variable. 
1.     x - 4 = 12

• x = 8
• x = 16
• x = -8
• x = 3

What is the correct step to solve this equation?
m + 4 = 10

• add 4 to both sides
• add 10 to both sides
• subtract 4 from both sides
• subtract 10 from both sides

Choose the correct equation for the situation.
Jane is 3 years older than Sam. If Jane 12, how old is Sam?

• j - 3 = 12
• s - 3 = 12
• s + 3 = 12
• j + 12 = 3

Solve the equation:
4p = 16

• p = 12
• p = -12
• p = -4
• p = 4

10x = 90

• x = 80
• x = 100
• x = 10
• x = 9