Write down the solution for this math problem: Solve -7942 = 235*y + 95*y + 31*y for y.
answer: -22

Write down the solution for this math problem: Solve 6*z + 3 = 3*z for z.
answer: -1

Write down the solution for this math problem: Solve 27120*s = 20586*s - 58806 for s.
answer: -9

Write down the solution for this math problem: Solve 41*a - 96 = -7*a for a.
answer:
2