Write down the solution for this math problem: Solve -3 = -5*h - 13 for h.
answer: -2

Write down the solution for this math problem: Solve -38*r - 48 = -124 for r.
answer: 2

Write down the solution for this math problem: Solve 22*z = 135 - 25 for z.
answer: 5

Write down the solution for this math problem: Solve -6*a = -13*a + 14 for a.
answer:
2