Question:
Solve 53*n - 33560 = -439*n + 15640 for n..

Answer:
100

Question:
Solve 0 = 40*r - 43*r - 9 for r..

Answer:
-3

Question:
Solve -5*m = 8*m - 26 for m..

Answer:
2

Question:
Solve 28*t = -15*t - 79*t - 2074 for t..

Answer:
-17