Solve 14*m - 138 = -21*m + 8*m + 996 for m.
Solve this plz.

A: 42

Solve -1830 - 447 = -82*a + 2561 for a.
Solve this plz.

A: 59

Solve 1715 + 959 = 51*p + 365 - 241 for p.
Solve this plz.

A:
50