Question:
Solve -26*i - 30*i + 35 = -21 for i..

Answer:
1

Question:
Solve 0 = -259904*v + 260096*v + 4032 for v..

Answer:
-21

Question:
Solve -5*o = -773*o + 13056 for o..

Answer:
17

Question:
Solve 0 = 6*g - g + 20 for g..

Answer:
-4