2 years ago

Can someone help me please

Mathematics

1 answer:

jeyben [28]2 years ago

8 0

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

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