Write down the solution for this math problem: Solve 29*c = 17*c + 12 for c.
answer: 1

Write down the solution for this math problem: Solve 11*w - 16*w = -25 for w.
answer: 5

Write down the solution for this math problem: Solve -36*i + 36 = -32*i for i.
answer: 9

Write down the solution for this math problem: Solve 58917*a - 58899*a = -360 for a.
answer:
-20