Solve 25*t + 100*t + 1346 - 180 + 1459 = 0 for t.
Solve this plz.

A: -21

Solve -61 + 89 = -7*z for z.
Solve this plz.

A: -4

Solve 30*h - 1080 = 159*h + 210 for h.
Solve this plz.

A:
-10