Question: What is the solution?

Solve -1003*y + 68510 = 130*y - 79*y for y.

Answer: 65

Question: What is the solution?

Solve -33*o = 15*o - 5*o + 516 for o.

Answer: -12

Question: What is the solution?

Solve 13*c = -20*c + 621 - 60 for c.

Answer: 17

Question: What is the solution?

Solve -128*l + 744*l = 6087 - 42431 for l.

Answer:
-59