Question: What is the solution?

Solve 0 = -3*w - 3*w - 12 for w.

Answer: -2

Question: What is the solution?

Solve 38*m - 8*m = -13*m - 344 for m.

Answer: -8

Question: What is the solution?

Solve -7*j = 13 - 48 for j.

Answer: 5

Question: What is the solution?

Solve -4*i + 171 = 191 for i.

Answer:
-5