Q: Solve:
Solve 105*z - 2745 = 626*z - 216*z for z.

A: -9

Q: Solve:
Solve -1541*n = -1538*n + 18 for n.

A: -6

Q: Solve:
Solve 5037*d - 156 = 5049*d for d.

A:
-13