Write down the solution for this math problem: Solve -29*a + 47*a = -36 for a.
answer: -2

Write down the solution for this math problem: Solve -129*v + 896 = -v for v.
answer: 7

Write down the solution for this math problem: Solve -1258*v = -2576*v - 3340*v - 312086 for v.
answer: -67

Write down the solution for this math problem: Solve 179*a = -652*a - 8310 for a.
answer:
-10