Write down the solution for this math problem: Solve -26*f - 21*f = -12*f + 560 for f.
answer: -16

Write down the solution for this math problem: Solve -66 + 1 = 13*r for r.
answer: -5

Write down the solution for this math problem: Solve -83*h + 8277 - 10601 = 0 for h.
answer: -28

Write down the solution for this math problem: Solve 0 = 1029*h - 349*h + 857*h + 66793 + 22353 for h.
answer:
-58