Question:
Solve 20*y - 50 - 52 = -62 for y..

Answer:
2

Question:
Solve -111*j - 9*j + 719 = -565 - 1716 for j..

Answer:
25

Question:
Solve 32*c = 39*c for c..

Answer:
0

Question:
Solve 7 = 7*v - 7 for v..

Answer:
2