Q: Solve -45 = -3*v - 51 for v.

A: -2

Q: Solve -341*a - 115236 + 107052 = 0 for a.

A: -24

Q: Solve 2*z = -15 + 13 for z.

A: -1

Q: Solve 4952 - 20683 - 9463 = -413*r - 29*r for r.

A:
57