Question:
Solve 0 = -o + 7 + 5 - 22 for o..

Answer:
-10

Question:
Solve -35*m + 336*m + 109*m = -150*m + 10640 for m..

Answer:
19

Question:
Solve 98*c - 99*c - 3 = 0 for c..

Answer:
-3

Question:
Solve 366*k - 5332*k - 821844 = 2438*k for k..

Answer:
-111