Question

Solve the equations

Answer 1

Explanation:

3. 3x - 12 = -2x - 12

5x - 12 = -12

5x = 0

x = 0

4. 7x - 14 = 5x + 20

2x - 14 = 20

2x = 34

x = 17

5. 9x + 18 = 3x - 6

6x + 18 = -6

6x = -24

x = -4

6. 3 + 2x + 2 = 3x + 6

2x + 5 = 3x + 6

3x + 6 = 2x + 5

x + 6 = 5

x = -1