Write down the solution for this math problem: Solve -71*q + 421*q = -80*q + 37840 for q.
answer: 88

Write down the solution for this math problem: Solve 75*u - 5243 = -9968 for u.
answer: -63

Write down the solution for this math problem: Solve 209 = 44*x - 11 for x.
answer: 5

Write down the solution for this math problem: Solve -7*m + 91 - 63 = 0 for m.
answer:
4