Q: What is the solution?
Solve 949 + 145 + 2938 = -224*j for j.

A: -18

Q: What is the solution?
Solve 40 = -6*n - 2 for n.

A: -7

Q: What is the solution?
Solve -j - 237 + 235 = 0 for j.

A:
-2