Question: What is the solution?

Solve 124*f - 17 = -541 + 28 for f.

Answer: -4

Question: What is the solution?

Solve -6 = -322*u + 325*u for u.

Answer: -2

Question: What is the solution?

Solve -123*z + 105*z = -53*z - 420 for z.

Answer: -12

Question: What is the solution?

Solve 14*g - 10 = 4 for g.

Answer:
1