Question: What is the solution?

Solve -45*x = 16*x + 22*x + 249 for x.

Answer: -3

Question: What is the solution?

Solve 353*j + 63*j + 5091 = -4477 for j.

Answer: -23

Question: What is the solution?

Solve -244 - 615 = -6*k + 49*k + 173 for k.

Answer: -24

Question: What is the solution?

Solve 20*f = 17*f for f.

Answer:
0