Write down the solution for this math problem: Solve 10*t + 30*t = -120 for t.
answer: -3

Write down the solution for this math problem: Solve -7*y + 52*y - 672 = -158*y - 21*y for y.
answer: 3

Write down the solution for this math problem: Solve -982722*y + 982662*y + 5580 = 0 for y.
answer: 93

Write down the solution for this math problem: Solve -342*i + 1412 = 1128 + 5072 for i.
answer:
-14