Write down the solution for this math problem: Solve 0 = -96*h + 86*h + 20 for h.
answer: 2

Write down the solution for this math problem: Solve -69806723*w - 738 = -69806714*w for w.
answer: -82

Write down the solution for this math problem: Solve 418*t - 573*t = -9274 + 1369 for t.
answer: 51

Write down the solution for this math problem: Solve 266 = 82138*r - 82100*r for r.
answer:
7