Question:
Solve 22*v + 4 = 26 for v..

Answer:
1

Question:
Solve 580 + 19176 = -219*u - 679*u for u..

Answer:
-22

Question:
Solve 639*k - 1180*k - 91723 = 2019*k - 14923 for k..

Answer:
-30

Question:
Solve h = 79 - 78 for h..

Answer:
1