Write down the solution for this math problem: Solve -43 = -10*p + 7 for p.
answer: 5

Write down the solution for this math problem: Solve 18*d + 8 = 14*d for d.
answer: -2

Write down the solution for this math problem: Solve 0 = -l + 10*l + 18 for l.
answer: -2

Write down the solution for this math problem: Solve 63*c - 270 = 18*c for c.
answer:
6