Q: Solve:
Solve 105 = 77*r + 1062 + 1045 for r.

A: -26

Q: Solve:
Solve 17*y = -96*y - 26*y + 1251 for y.

A: 9

Q: Solve:
Solve -4*z = -11*z - 49 for z.

A:
-7