Write down the solution for this math problem: Solve 3039*x + 2370*x - 439003 = 1079*x - 1227*x for x.
answer: 79

Write down the solution for this math problem: Solve -834*g = 253*g + 453*g + 67760 for g.
answer: -44

Write down the solution for this math problem: Solve 5*r - 1081 + 956 = 0 for r.
answer: 25

Write down the solution for this math problem: Solve -18*h + 136 = 81*h - 31*h for h.
answer:
2