Q: Solve 4*r = -3*r + 7 for r.

A: 1

Q: Solve 9*q - 34 + 102 = 26*q for q.

A: 4

Q: Solve -30 = 26*z - 108 for z.

A: 3

Q: Solve -1585*y + 69342 = 193*y for y.

A:
39