Question

Solve: 5|x + 9| = 80

A. x = -25 or x = 9
B. x = -25 or x = 7
C. x = -7 or x = 25
D. x = 7 or x = 16

Answer 1

Step-by-step explanation:

x + 9 = 80/5

x + 9 = 16

x = 16-9

x =

Answer 2

Answer: Choice B

x = -25 or x = 7

================================================

Work Shown:

5|x+9| = 80

|x+9| = 80/5

|x+9| = 16

x+9 = 16 or x+9 = -16

x = 16-9 or x = -16-9

x = 7 or x = -25

x = -25 or x = 7