Write down the solution for this math problem: Solve 561 + 398 = -959*r for r.
answer: -1

Write down the solution for this math problem: Solve 278*b + 3720 = -94*b for b.
answer: -10

Write down the solution for this math problem: Solve -26*v - 20246 = 184*v + 153*v + 19*v for v.
answer: -53

Write down the solution for this math problem: Solve 0 = 1472998*i - 1472987*i + 682 for i.
answer:
-62