We have \(3y+8-7y=11\) First, we can combine like terms 3y and -7y to get -4y. Then, we have\(-4y+8=11\) We could then subtract 8 on both sides to get \(-4y=3\) Finally, we isolate y completely by dividing both sides by -4, to get \(y=- \frac{3}{4}\)