Question: What is the solution?

Solve 0 = 372*f - 4289 + 197 for f.

Answer: 11

Question: What is the solution?

Solve -13*a + 762 + 246 = 113*a for a.

Answer: 8

Question: What is the solution?

Solve 902*b - 1068*b = 2656 for b.

Answer: -16

Question: What is the solution?

Solve -2 = -2*k + 4 for k.

Answer:
3