Write down the solution for this math problem: Solve -96*w - 171 = -115*w for w.
answer: 9

Write down the solution for this math problem: Solve 108 = 5*r + 98 for r.
answer: 2

Write down the solution for this math problem: Solve -37 = 7*h - 23 for h.
answer: -2

Write down the solution for this math problem: Solve -15*c - 1 = -16*c for c.
answer:
1