Write down the solution for this math problem: Solve 25 = -8*t + 41 for t.
answer: 2

Write down the solution for this math problem: Solve 20 = 3*r + r for r.
answer: 5

Write down the solution for this math problem: Solve 192*o + 141*o - 9118 = 370*o - 131*o for o.
answer: 97

Write down the solution for this math problem: Solve 0 = 8*s - 4*s - 16 for s.
answer:
4