Question:
Solve -10*g = -15*g + 11*g - 6 for g..

Answer:
1

Question:
Solve -6570 = -751*d - 2064 for d..

Answer:
6

Question:
Solve 71*f = 56*f - 15 for f..

Answer:
-1

Question:
Solve -60*c = -12657475 + 12659395 for c..

Answer:
-32