Write down the solution for this math problem: Solve 0 = -30*o - 135 - 45 for o.
answer: -6

Write down the solution for this math problem: Solve 0 = -28*o + 827 - 547 for o.
answer: 10

Write down the solution for this math problem: Solve 1127*g - 1142*g - 30 = 0 for g.
answer: -2

Write down the solution for this math problem: Solve 50930846*r = 50930692*r - 12166 for r.
answer:
-79