Write down the solution for this math problem: Solve -56*i - 81*i - 959 = 0 for i.
answer: -7

Write down the solution for this math problem: Solve 155 = -18*u - 10*u + 33*u for u.
answer: 31

Write down the solution for this math problem: Solve 316*m - 501 - 201 = 238*m for m.
answer: 9

Write down the solution for this math problem: Solve -272723*c - 16 = -272722*c for c.
answer:
-16