Question: What is the solution?

Solve 40*a = 151 + 49 for a.

Answer: 5

Question: What is the solution?

Solve -186 = -4*o - 202 for o.

Answer: -4

Question: What is the solution?

Solve 1288 = 4070*s - 4006*s - 2084 - 3156 for s.

Answer: 102

Question: What is the solution?

Solve -15*j = -14*j + 6 for j.

Answer:
-6