Write down the solution for this math problem: Solve -385 = -6540*a + 6617*a for a.
answer: -5

Write down the solution for this math problem: Solve 859*w - 174*w - 277 - 1093 = 0 for w.
answer: 2

Write down the solution for this math problem: Solve 3*h + 8*h - 13*h = 0 for h.
answer: 0

Write down the solution for this math problem: Solve 224*z - 916 = -3133 - 6775 - 5344 for z.
answer:
-64