Question

Which of the following is(are) the solution(s) to 1 x +3 - 12?A. X - 9.-15B. X = 9C. X = 15.-9D. X = 15

Answer 1

x = 9, -15

Step-by-step explanation:

The initial equation is |x + 3| = 12

It means that x + 3 = 12 or -(x + 3) = 12

Then, we can solve each equation to get:

x + 3 = 12

x + 3 - 3 = 12 - 3

x = 9

-(x + 3) = 12

- x - 3 = 12

- x - 3 + 3 = 12 + 3

- x = 15

-1(-x) = -1(15)

x = -15

Therefore, the solutions are x = 9 and x = -15