Write down the solution for this math problem: Solve 30 = -11*w + 16*w for w.
answer: 6

Write down the solution for this math problem: Solve -14*h = -3*h for h.
answer: 0

Write down the solution for this math problem: Solve 531*v - 362*v + 1183 = 0 for v.
answer: -7

Write down the solution for this math problem: Solve 457*d - 8655 - 9625 = 0 for d.
answer:
40