Question:
Solve -2*d = -177*d + 96*d + 632 for d..

Answer:
8

Question:
Solve -14*r = 22*r - 72 for r..

Answer:
2

Question:
Solve 25*k + 26 = -274 for k..

Answer:
-12

Question:
Solve 16*v = -13 - 3 for v..

Answer:
-1