Solving Equations

4x - 7 = 21

• x = 12

• x = 8

• x = 24

• x = 7

What is the first step to solve this equation:

-3x + 11 = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

3c + 5 = 23

• c = 3

• c = 6

• c = 7

• c = 18

3y = -15

• -5

• 5

• -3

• 3

-6x = 18

• 3

• -3

• 6

• -6

Which equation has x = 2 as a solution?

• 3 + x = 10

• 11 + x = 13

• 4x = 32

• 5x =25

• 28

• 43

• 52

• 4k

• 15

• 3

• -15

• -3

Solve:

3(x - 2) = 18

• 20

  3

• 4

• 8

• -4

4=2r-10

• 7

• 15

• 14

• 9