Q: Solve -3*r - 26 = -32 for r.

A: 2

Q: Solve 15*i = 2*i + 9*i - 48 for i.

A: -12

Q: Solve -97*z + 2870 = -459*z + 9748 for z.

A: 19

Q: Solve -162*b - 3955 = -275*b for b.

A:
35