Question: What is the solution?

Solve -1680 = -34*x + 202*x for x.

Answer: -10

Question: What is the solution?

Solve -600*j + 27494 - 10787 = -7893 for j.

Answer: 41

Question: What is the solution?

Solve 3168 = 236*q - 38*q for q.

Answer: 16

Question: What is the solution?

Solve 331*f = 346*f + 135 for f.

Answer:
-9