Write down the solution for this math problem: Solve 293*m - 1751*m - 1740 = 15756 for m.
answer: -12

Write down the solution for this math problem: Solve -172*b + 238*b - 1338 = -7014 for b.
answer: -86

Write down the solution for this math problem: Solve 15559 - 3455 = 1077*i - 1789*i for i.
answer: -17

Write down the solution for this math problem: Solve -3*u - 8 = 7 for u.
answer:
-5