Question:
Solve -15*x - 64*x = 46*x + 250 for x..

Answer:
-2

Question:
Solve -96 = 31*m - 55*m for m..

Answer:
4

Question:
Solve -52 = -p - 50 for p..

Answer:
2

Question:
Solve 541 - 761 = -20*n for n..

Answer:
11