Write down the solution for this math problem: Solve 0 = 20*f + 79*f - 779 + 2561 for f.
answer: -18

Write down the solution for this math problem: Solve -99*g + 249 = -16*g for g.
answer: 3

Write down the solution for this math problem: Solve 92*f = 80*f + 132 for f.
answer: 11

Write down the solution for this math problem: Solve -40 = -18*t + 13*t + t for t.
answer:
10