Write down the solution for this math problem: Solve 161*l - 1574 = -93 + 773 for l.
answer: 14

Write down the solution for this math problem: Solve -43*p = 248*p + 229*p + 40560 for p.
answer: -78

Write down the solution for this math problem: Solve 21*u - 309 = -225 for u.
answer: 4

Write down the solution for this math problem: Solve 154 - 150 = -4*d for d.
answer:
-1