Question 181420
y-10=7y+8
y-y-10 = 7y-y+8
0-10 = 6y + 8
-10 = 6y + 8
-10-8 = 6y +8 - 8
-18 = 6y + 0
-18/6 = 6y/6
-3 = y

check:
-3-10 = -13
7(-3) + 8 = -21 + 8 = -13