Question:
Solve -384*i + 7439 + 2929 = 0 for i..

Answer:
27

Question:
Solve -300*d + 1453 + 1547 = 0 for d..

Answer:
10

Question:
Solve -214*v = -213*v + 18 - 13 for v..

Answer:
-5

Question:
Solve -140*i - 33 = -129*i for i..

Answer:
-3