Write down the solution for this math problem: Solve 1845 = 30*m - 117*m - 2505 for m.
answer: -50

Write down the solution for this math problem: Solve 32 = 31696*b - 31712*b for b.
answer: -2

Write down the solution for this math problem: Solve 0 = 9*d + 14*d - 96 + 234 for d.
answer: -6

Write down the solution for this math problem: Solve -29*a + 11*a = 90 for a.
answer:
-5