Write down the solution for this math problem: Solve -97*v - 7 - 41 = -99*v for v.
answer: 24

Write down the solution for this math problem: Solve -436*n - 35500 = 406*n - 132*n for n.
answer: -50

Write down the solution for this math problem: Solve 8029 + 2128 = -2525*v - 4127 - 38741 for v.
answer: -21

Write down the solution for this math problem: Solve 2191 = -114*f + 278*f - 269 for f.
answer:
15