Write down the solution for this math problem: Solve -36*u = 66*u + 95 + 7 for u.
answer: -1

Write down the solution for this math problem: Solve -117930*k - 72726 = -117217*k for k.
answer: -102

Write down the solution for this math problem: Solve 9 + 23 = 3*v + 8 for v.
answer: 8

Write down the solution for this math problem: Solve -141*a = 27277 - 22201 for a.
answer:
-36