Question #fa9f2

1 Answer
Henry W.
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#

Related questions
Impact of this question
928 views around the world
You can reuse this answer
Creative Commons License