Question: What is the solution?

Solve 0 = 197*l - 13053 + 10492 for l.

Answer: 13

Question: What is the solution?

Solve 2213 = -170*f - 1017 for f.

Answer: -19

Question: What is the solution?

Solve 97*i = 188*i - 125*i - 1972 for i.

Answer: -58

Question: What is the solution?

Solve -196*o = -1310 + 5426 for o.

Answer:
-21