Q: Solve 315*d + 8046 + 16307 = -28*d for d.

A: -71

Q: Solve 4 = -7*v + 11*v for v.

A: 1

Q: Solve -106*h - 269 + 57 = 0 for h.

A: -2

Q: Solve 122*r - 101*r + 7 = -35 for r.

A:
-2