Question: What is the solution?

Solve -570*j - 626*j - 128816 = 6*j + 350*j for j.

Answer: -83

Question: What is the solution?

Solve -6 = 34*z - 40 for z.

Answer: 1

Question: What is the solution?

Solve 450*m + 40 = 458*m for m.

Answer: 5

Question: What is the solution?

Solve -4*r = -29 + 41 for r.

Answer:
-3