Question: What is the solution?

Solve 31*l + 72 - 320 = 0 for l.

Answer: 8

Question: What is the solution?

Solve -94 = 7*a - 136 for a.

Answer: 6

Question: What is the solution?

Solve -s + 55 = -16*s - 110 for s.

Answer: -11

Question: What is the solution?

Solve -62*a + 65*a + 24 = 0 for a.

Answer:
-8