Write down the solution for this math problem: Solve -11*b = -470058 + 469794 for b.
answer: 24

Write down the solution for this math problem: Solve -167*r + 2776*r - 562*r = -38893 for r.
answer: -19

Write down the solution for this math problem: Solve d - 16 = -17 for d.
answer: -1

Write down the solution for this math problem: Solve -7*d + 3 = -4 for d.
answer:
1