Q: Solve 142*i + 371*i - 12783 = 5685 for i.

A: 36

Q: Solve 763 = -106*w - 85 for w.

A: -8

Q: Solve -87*r + 1176 = 10*r + r for r.

A: 12

Q: Solve 2*b - 40 = -6*b for b.

A:
5