Question:
Solve -2 = -54*s + 53*s for s..

Answer:
2

Question:
Solve -335*u - 340*u + 40320 = 221*u for u..

Answer:
45

Question:
Solve -14*j + 630 - 686 = 0 for j..

Answer:
-4

Question:
Solve 57802 = -2522*m + 165*m - 88332 for m..

Answer:
-62