Write down the solution for this math problem: Solve 380 = z + 13*z + 6*z for z.
answer: 19

Write down the solution for this math problem: Solve -6*m + 2 = 8 for m.
answer: -1

Write down the solution for this math problem: Solve 64*o + 1267 = 1651 for o.
answer: 6

Write down the solution for this math problem: Solve -73 - 377 = -45*m for m.
answer:
10