Q: What is the solution?
Solve -261*d + 6991 - 1070 = -8695 for d.

A: 56

Q: What is the solution?
Solve 4184 = -227*u - 171*u + 10552 for u.

A: 16

Q: What is the solution?
Solve -25 = 2*v - 17 for v.

A:
-4