Question:
Solve -885*v = -860*v + 950 for v..

Answer:
-38

Question:
Solve 2*z = 10*z - 32 for z..

Answer:
4

Question:
Solve 100 = 7*h - 27*h for h..

Answer:
-5

Question:
Solve -3*n - 21 = -13 + 34 for n..

Answer:
-14