Write down the solution for this math problem: Solve -639*r + 66 = -633*r for r.
answer: 11

Write down the solution for this math problem: Solve -2*x - 1070 + 2055 = 77*x - 2649 for x.
answer: 46

Write down the solution for this math problem: Solve 150*g + 285*g + 3915 = 0 for g.
answer: -9

Write down the solution for this math problem: Solve -91383 - 14352 = 5035*m for m.
answer:
-21