Question: What is the solution?

Solve 64*r = -58 - 710 for r.

Answer: -12

Question: What is the solution?

Solve 4*u + 0*u = -8 for u.

Answer: -2

Question: What is the solution?

Solve -1183*w + 1659 = 11123 for w.

Answer: -8

Question: What is the solution?

Solve 0 = 2*c + 38 - 34 for c.

Answer:
-2