Question

6x+6= 3 x − 21 3x−21

Answer 1

x = -9

Explanation:

6x + 6= 3x − 21

3x = -27

x = -9

Answer 2

x = -9

Explanation:

6x+6= 3 x − 21

Subtract 3x from each side

6x-3x+6= 3 x-3x − 21

3x+6 = -21

Subtract 6 from each side

3x+6-6 = -21-6

3x =-27

Divide each side by 3

3x/3 = -27/3

x = -9