Question:
Solve -11*t - 78*t + 578 + 401 = 0 for t..

Answer:
11

Question:
Solve -247079*m + 246736*m = 29155 for m..

Answer:
-85

Question:
Solve 769067 - 771358 = -79*r for r..

Answer:
29

Question:
Solve 57 = 118*d - 91*d - 132 for d..

Answer:
7