Question:
Solve -46*i = -22*i - 63*i - 273 for i..

Answer:
-7

Question:
Solve -14 = -1237*d + 1230*d for d..

Answer:
2

Question:
Solve 1434 = 225*r + 534 for r..

Answer:
4

Question:
Solve -m = -0*m + 2 for m..

Answer:
-2