Question: What is the solution?

Solve -5*s + 18 = -7 for s.

Answer: 5

Question: What is the solution?

Solve -70 = 1363*u - 1373*u for u.

Answer: 7

Question: What is the solution?

Solve 2297*d + 309*d = 101993 + 30913 for d.

Answer: 51

Question: What is the solution?

Solve -519*j + 1340*j + 1768*j + 109375 = -7130 for j.

Answer:
-45