Question:
Solve 0 = -2*v - 62 + 58 for v..

Answer:
-2

Question:
Solve 13*a - 347*a = -1336 for a..

Answer:
4

Question:
Solve -259*a + 249*a = -10 for a..

Answer:
1

Question:
Solve 598*b - 725 = -1761 + 10006 for b..

Answer:
15