Q: Solve -3520 + 3487 = 11*x for x.

A: -3
Q: Solve:
Solve 5 = -7*c - 30 for c.

A: -5
Question: What is the solution?

Solve 770 = -45*r - 144*r + 79*r for r.

Answer: -7
Problem: Math Problem
Solve 246*u - 2011 - 1371 = 2276 for u.

A: 23
Question:
Solve -72255*d = -72211*d - 572 for d..

Answer:
13
Q: Solve 438259 = 180*t + 439159 for t.

A:
-5