Question:
Solve -118 + 102 = -20*m - 196 for m..

Answer:
-9

Question:
Solve -20*c + 98 - 74 = -136 for c..

Answer:
8

Question:
Solve 0 = 9*n + 9*n + 18 for n..

Answer:
-1

Question:
Solve -14155*m = -14523*m + 17296 for m..

Answer:
47