Write down the solution for this math problem: Solve 15*u - 11*u + 8 = 0 for u.
answer: -2

Write down the solution for this math problem: Solve -254 - 304 = 70*r + 352 for r.
answer: -13

Write down the solution for this math problem: Solve 247*u = 2*u + 11025 for u.
answer: 45

Write down the solution for this math problem: Solve -1612219*v - 97152 = -1611483*v for v.
answer:
-132