Question: What is the solution?

Solve -87 - 3 = 30*q for q.

Answer: -3

Question: What is the solution?

Solve -161*s = -352*s + 4584 for s.

Answer: 24

Question: What is the solution?

Solve -31*j + 8499 = 370*j + 104*j - 2611 for j.

Answer: 22

Question: What is the solution?

Solve -48*v + 100*v - 960 = 4*v for v.

Answer:
20