9514 1404 393
Answer:
-15, 3
Step-by-step explanation:
3|x+6| -7 = 20
3|x +6| = 27 . . . . add 7
|x +6| = 9 . . . . . . divide by 3
This resolves to two equations:
x + 6 = 9
x = 3 . . . . . subtract 6
and
x + 6 = -9
x = -15 . . . . subtract 6
