Write down the solution for this math problem: Solve 280510 = -4303*u - 12094 for u.
answer: -68

Write down the solution for this math problem: Solve 13 = -13*c - 39 for c.
answer: -4

Write down the solution for this math problem: Solve 632*p - 1342*p + 651*p - 118 = 0 for p.
answer: -2

Write down the solution for this math problem: Solve 13*q - 13*q = 8*q + 370 + 30 for q.
answer:
-50