Write down the solution for this math problem: Solve 656*v = 2745*v + 22979 for v.
answer: -11

Write down the solution for this math problem: Solve 1181 + 12061 = 510*r + 492 for r.
answer: 25

Write down the solution for this math problem: Solve 57 = 14*l + 183 for l.
answer: -9

Write down the solution for this math problem: Solve 927 + 315 = 138*i for i.
answer:
9