Solving Equations

x + 12 = 20

• x = 32
• x = -32
• x = 8
• x = -8

5.    6b = 30

• x = 36
• x = 24
• x = 180
• x = 5

Solve the equation
3x = 27. 

• x = 24
• x = 81
• x = 9

• x = 20
• x = 7
• x = 10
• x = 3

• k = 152
• k = 176
• k = 5
• k = 27

144=12z

• z=20
• z=11
• z=12

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

• subtraction
• addition
• multiplication
• division

how would you solve this equation: 9x=153?

• multiply

• divide

• add

• subtract

z + 45 = 92

• z = -47
• z = 137
• z = 47
• z = -137

Find the variable.
13 + q = 56

• 43
• 40
• q
• 42