Write down the solution for this math problem: Solve -20 = 3*v - 8 for v.
answer: -4

Write down the solution for this math problem: Solve -33*p - 104 = -46*p for p.
answer: 8

Write down the solution for this math problem: Solve 1954*k - 384 = -1964*k + 3894*k for k.
answer: 16

Write down the solution for this math problem: Solve 0 = -26*r + 299 + 169 for r.
answer:
18