Write down the solution for this math problem: Solve 4*l - 18 = -2*l for l.
answer: 3

Write down the solution for this math problem: Solve 47*u = -59*u + 167*u - 55*u - 588 for u.
answer: 98

Write down the solution for this math problem: Solve -16*f - 22*f - 38 = 0 for f.
answer: -1

Write down the solution for this math problem: Solve -201*v + 16387 = 376*v - 4385 for v.
answer:
36