Write down the solution for this math problem: Solve 708*n - 168 = 351*n + 353*n for n.
answer: 42

Write down the solution for this math problem: Solve -2*w + 149 = -144 + 293 for w.
answer: 0

Write down the solution for this math problem: Solve -199 - 31 = 46*j for j.
answer: -5

Write down the solution for this math problem: Solve 0 = 530*a + 15988 + 22172 for a.
answer:
-72