Question:
Solve 24*s + 114 = 64*s - 206 for s..

Answer:
8

Question:
Solve -32*d + 39*d = -28 for d..

Answer:
-4

Question:
Solve -49*j = -36*j + 107*j - 840 for j..

Answer:
7

Question:
Solve -1668*i - 52509 = -2429*i for i..

Answer:
69