Write down the solution for this math problem: Solve -120 = -25040*o + 25055*o for o.
answer: -8

Write down the solution for this math problem: Solve 277 + 173 = 46*b - 16*b for b.
answer: 15

Write down the solution for this math problem: Solve 56 = 90*t - 82*t for t.
answer: 7

Write down the solution for this math problem: Solve 1774*r = 436*r - 2767*r + 303770 for r.
answer:
74