Question:
Solve -26*v - 11*v - 308 = -41*v + 68 for v..

Answer:
94

Question:
Solve -971*c - 24972 = 80867 for c..

Answer:
-109

Question:
Solve -54 + 89 = -35*b for b..

Answer:
-1

Question:
Solve -9*u + 3 + 4 - 16 = 0 for u..

Answer:
-1