Given, -10= 1/4 (8y-12)
1) Distribute the right side,
-10= 1/4 (8y-12)
= 2y- 3
Add 3 on both sides,
-7= 2y
Divide by 2 on both sides,
-7/2 = y, or y= -7/2 = -3 1/2
2) Multiply by 4 on both sides,
-40= 8y-12
Add 12 on both sides,
-28= 8y
Divide by 8 on both sides,
-28/8 =y, or y= -28/8 = -7/2 = -3 1/2