Question 1122654
isolate the absolute value
-4(abs(5-7y)=-4
abs(5-7y)=1
so 5-7y=1, 7y=4, y=(4/7) one ANSWER
and 5-7y=-1
7y=6, y=(6/7) one ANSWER

-4*abs(5-4)-2 does = -6
and 
-4*abs(5-(-6))-2 does = -6