Write down the solution for this math problem: Solve 68*v - 190 = 16*v + 18 for v.
answer: 4

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

Write down the solution for this math problem: Solve 77*m + 40973 = -40423 + 82551 for m.
answer: 15

Write down the solution for this math problem: Solve -10*l = -5*l + 5 for l.
answer:
-1