Q: Solve 2*j + 2*j = 8 for j.

A: 2

Q: Solve -10329 = 600*p - 37929 for p.

A: 46

Q: Solve -12*u + 170 = 242 for u.

A: -6

Q: Solve -72*b + 11 = -63*b - 34 for b.

A:
5