Question:
Solve -32*n + 36 = -20*n for n..

Answer:
3

Question:
Solve 30 + 2 = -16*q for q..

Answer:
-2

Question:
Solve 21*v + 4163 = 202*v for v..

Answer:
23

Question:
Solve 340 = 633*y - 643*y for y..

Answer:
-34