Write down the solution for this math problem: Solve 806*u - 810*u = 20 for u.
answer: -5

Write down the solution for this math problem: Solve 58*y + 973 = -65*y + 2572 for y.
answer: 13

Write down the solution for this math problem: Solve 0 = 14*v - 16*v - 10 for v.
answer: -5

Write down the solution for this math problem: Solve 1108*b + 51562 = -1622 for b.
answer:
-48