Question

| x+2 | + | x-5 | + | x-1 | = 12

Answer 1

6; -18.

Explanation:

try the suggested option, the answers are marked with colour; note, the suggested way is not the shortest and the only one.

Answer 2

x = -2 2/3 or 5 1/3

I used Desmos (the graphing calculator) and plugged in the equation. The line that wa drawn crossed the x - axis at these two points, which means these are the two solutions for x.