Solving Equations

r - 18 = 27

• -45
• 45
• -9
• 9

Which equation has w = 8 as the solution?

• 8w= 64
• 16w = 240
• 16 - w = 9
• 4 + w = 10

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

• subtraction
• addition
• multiplication
• division

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

y + 2.93 = 36

• y = 38.93

• y = 34.93

• y = 6.7

• y = 33.07

Solve the equation:
x - 4 = 6

• x = 10
• x = -10
• x = 2
• x = -2

Solve the equation: 
x + 7 = 12

• x = 5
• x = 19
• x = -5
• x = 84

What is the variable in this equation?

13 + q = 56

• +

• 40

• q

• 42

What is the inverse operation of subtraction?

• addition

• subtraction

• multiplication

• division

x + 12 = 20

• x = 32
• x = -32
• x = 8
• x = -8