Question:
Solve 6*d + 140*d = -9*d - 1893 + 188 for d..

Answer:
-11

Question:
Solve 1498*v + 945 = -6339 - 13688 for v..

Answer:
-14

Question:
Solve -7*g - 14 = 14 for g..

Answer:
-4

Question:
Solve -30*h + 39*h + 45 = 0 for h..

Answer:
-5