Question:
Solve -63*i = 40*i + 26 + 592 for i..

Answer:
-6

Question:
Solve -m = 11*m - 8*m + 32 for m..

Answer:
-8

Question:
Solve 74*d = 41*d - 198 for d..

Answer:
-6

Question:
Solve -876*r + 29 = -869*r - 6 for r..

Answer:
5