Question

Solve for x: 3|2x − 2| + 6 = 18

x = 3, x = −3

x = 3, x = −1

x = 1, x = −1

x = −3, x = 1

Answer 1

3|2x - 2| + 6 = 18
3|2x - 2| = 12 - subtract 6
|2x - 2| = 4 - divide by 3
2x - 2 = 4. 2x - 2 = -4
2x = 6. 2x = -2
x = 3. x = -1
so B is the answer