Solve -37*z + 1836 = 1401 + 1138 for z.
Solve this plz.

A: -19

Solve -190*r = -1426 + 7126 for r.
Solve this plz.

A: -30

Solve -92442 + 92766 = 27*b for b.
Solve this plz.

A:
12