Math 7 (Equations)

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

7.    -4y = 48

• x = -52
• x = -12
• x = -44
• x = -13

5.    6b = 30

• x = 36
• x = 24
• x = 180
• x = 5

19  + a  =  -50

• a = -950
• a =  -69
• a = -31
• a = -50/19

Solve the equation:
-5x = 25

• x = 20
• x = -20
• x = -5
• x = 5

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

• multiply

• divide

• add

• subtract

x - 10 = 12

• 22
• -22
• 2
• -2

y + 6 = 20

• y = 22

• y = 13

• y = 14

• y = 16