Write down the solution for this math problem: Solve 236*u + 1875 + 1838 - 872 = -5183 for u.
answer: -34

Write down the solution for this math problem: Solve -80*p - 3033 = -1033 for p.
answer: -25

Write down the solution for this math problem: Solve 215 - 42 = -68*r - 167 for r.
answer: -5

Write down the solution for this math problem: Solve 2620*w + 225 = 2629*w for w.
answer:
25