Write down the solution for this math problem: Solve 108*z - 40 = 100*z for z.
answer: 5

Write down the solution for this math problem: Solve 30*n - 1687 = -2677 for n.
answer: -33

Write down the solution for this math problem: Solve 643*h = 942*h - 24219 for h.
answer: 81

Write down the solution for this math problem: Solve -95 + 107 = -12*g for g.
answer:
-1