Question:
Solve 0 = 340*a + 1543410 - 1547150 for a..

Answer:
11

Question:
Solve 5*i - 36 = 4 for i..

Answer:
8

Question:
Solve -21241*d - 35436 = -24194*d for d..

Answer:
12

Question:
Solve -278 - 12 = 23*a + 170 for a..

Answer:
-20