Question

Do the question in the image

Answer 1

Answer:

3x-12 = -21

3x = -21 + 12

3x = -9

x = -3

Answer 2

Answer:

x = -3

Step-by-step explanation:

3 (x - 4) = -21

3x - 12 = -21

3x = -21 + 12

3x = -9

x = -9/3

x = -3

I hope you understand.