Write down the solution for this math problem: Solve 1245*i = 1246*i - 8 for i.
answer: 8

Write down the solution for this math problem: Solve 13 = 3*v + 7 for v.
answer: 2

Write down the solution for this math problem: Solve -67*o + 540 = -272 - 193 for o.
answer: 15

Write down the solution for this math problem: Solve 1027*l - 236*l + 26480 = -18607 for l.
answer:
-57