Write down the solution for this math problem: Solve -10*l + 110 = 12*l for l.
answer: 5

Write down the solution for this math problem: Solve 180 = 433*a - 397*a for a.
answer: 5

Write down the solution for this math problem: Solve 6*o + 18 = -12 for o.
answer: -5

Write down the solution for this math problem: Solve -166*y + 128*y - 8 + 768 = 0 for y.
answer:
20