Q: Solve 870*z + 243*z - 1626 = -7191 for z.

A: -5

Q: Solve -289*t = -395*t - 198 + 1364 for t.

A: 11

Q: Solve 176*c - 532 = -194*c + 87*c - 15531 for c.

A: -53

Q: Solve -9*v = -v + 56 for v.

A:
-7