Write down the solution for this math problem: Solve -2152*m - 3114*m - 3834*m + 2387*m - 570605 = 0 for m.
answer: -85

Write down the solution for this math problem: Solve 20*r = 50*r - 6*r + 67*r + 1183 for r.
answer: -13

Write down the solution for this math problem: Solve -64 = 3*m + 13*m for m.
answer: -4

Write down the solution for this math problem: Solve 377*a + 358*a = 713*a - 374 for a.
answer:
-17