Question

The equation -3x -9=-21 is solved as follows supply the correct numbers to complete the solution

Answer 1

[AI-generated answer — Bot GPT 3.5]

Adding 9 to both sides of the equation:

-3x - 9 + 9 = -21 + 9

-3x = -12

Dividing both sides of the equation by -3:

(-3x)/-3 = -12/-3

x = 4