Solving Linear Equations by Combining Like Terms

12 - 10x + 5x = -18

• x = 6/5

• x = 2

• x = 6

• x = -6

2n + 3n + 7 = -43

• n = -43/12

• n = -10

• n = -56/5

• n = 10

3h - 5h + 11 = 17

• h = -3/4

• h = -19

• h = -3

• h = 7/2

2k - 6 + 3k = 14

• k = 20

• k = 8/5

• k = 14/11

• k = 4

x + 24 - 9x = -8

• x = 1/2

• x = -2

• x = 2

• x = 4

19a - 12 - 4a = -57

• a = -23/5

• a = 3

• a = -3

• a = -19

Solve:

7x + 19 = -2x + 55

• 4

• 14.8

• 8.2

• -4

Which step cannot be performed first when solving the equation

5 - 2(x - 7) = x + 1 + 3x

• Distributing -2 to (x - 7)

• Combining x and 3x

• 5 - 2

4a + 3 = 15

• 2

• 4

• 1

• 3

What is the solution to the equation -4x-14=6?

• 5

• 2

• -5

• 24