Q: What is the solution?
Solve 0 = 46*o + 121 + 201 for o.

A: -7

Q: What is the solution?
Solve -70*s + 98 = -84*s for s.

A: -7

Q: What is the solution?
Solve 2625*d + 30347 + 21160 = 9624 + 7758 for d.

A:
-13