Question: What is the solution?

Solve 0 = 12*z - 2*z + 50 for z.

Answer: -5

Question: What is the solution?

Solve -304*v - 117294 = -103006 for v.

Answer: -47

Question: What is the solution?

Solve 0 = -1148*j + 1996*j + 4240 for j.

Answer: -5

Question: What is the solution?

Solve 588 = 48*f + 50*f for f.

Answer:
6