Question:
Solve 0 = 30*k - 26*k + 16 for k..

Answer:
-4

Question:
Solve 1244 = -412*v + 130*v + 10832 for v..

Answer:
34

Question:
Solve -34*h + 463 = 361 for h..

Answer:
3

Question:
Solve 8245 = -193*a + 562 + 542 for a..

Answer:
-37