Question #fa9f2

1 Answer
Nov 14, 2017

y=-1 and y=-5

Explanation:

|5y+15|=10

There are two cases to consider with this absolute value, as |5y+15| and |-5y-15| are both considered to be |5y+15|, and thus both |10| and |-10| equate to 10.

Case 1:

5y+15=10

5y=-5

y=-1

Case 2:

-5y-15=10

-5y=25

y=-5