Q: Solve:
Solve -77 + 100 = -147*s + 1346 for s.

A: 9

Q: Solve:
Solve 3*r + 0*r = 3 for r.

A: 1

Q: Solve:
Solve 119*x + 7095 = -64*x - 32*x for x.

A:
-33