Question:
Solve -6 = 12*v - 42 for v..

Answer:
3

Question:
Solve 3722 = -64*k + 2890 for k..

Answer:
-13

Question:
Solve -20*y + 12 = -17*y for y..

Answer:
4

Question:
Solve 11880*t - 2169*t + 27691 - 65520 = -300026 for t..

Answer:
-27