Q: Solve 1235 - 1211 = 6*h for h.

A: 4

Q: Solve -3*x = -83 + 62 for x.

A: 7

Q: Solve o + 12 - 9 = 0 for o.

A: -3

Q: Solve -197*b + 1287*b + 197411 = 308*b - 965*b for b.

A:
-113