Q: Solve 8*y = 6*y + 6 for y.

A: 3

Q: Solve -58*p - 915 = -219 for p.

A: -12

Q: Solve 10*z - 5 = 5*z for z.

A: 1

Q: Solve -693*d = -251*d - 181*d - 198*d + 504 for d.

A:
-8