Write down the solution for this math problem: Solve 577 + 375 = 119*d for d.
answer: 8

Write down the solution for this math problem: Solve -12*o = -2*o - 50 for o.
answer: 5

Write down the solution for this math problem: Solve 0 = -1078*o + 1073*o for o.
answer: 0

Write down the solution for this math problem: Solve -1889 = -336*l + 799 - 336 for l.
answer:
7