Write down the solution for this math problem: Solve -12*f + f + 22 = 0 for f.
answer: 2

Write down the solution for this math problem: Solve 298*j + 1220 = 9*j - 514 for j.
answer: -6

Write down the solution for this math problem: Solve 1251 = 25*a + 601 for a.
answer: 26

Write down the solution for this math problem: Solve 378*v = -749*v - 676*v + 1803 for v.
answer:
1