Question:
Solve -s = -34*s - 101*s + 1206 for s..

Answer:
9

Question:
Solve -21*m = 206 + 93 + 79 for m..

Answer:
-18

Question:
Solve 0 = 15*h - 5*h + 10 for h..

Answer:
-1

Question:
Solve 42 = 46*m + 81*m + 169 for m..

Answer:
-1