Write down the solution for this math problem: Solve 773*y - 848*y = 1050 for y.
answer: -14

Write down the solution for this math problem: Solve 74*a + 51 + 96 = -223 for a.
answer: -5

Write down the solution for this math problem: Solve 22*y - 304 + 452 + 34 = -280 for y.
answer: -21

Write down the solution for this math problem: Solve -149 = 88*o + 823 + 84 for o.
answer:
-12