Solve 79*d + 400*d + 5961 + 3942 = -7341 for d.
Solve this plz.

A: -36

Solve -1430*o + 1432*o = 3259*o + 302901 for o.
Solve this plz.

A: -93

Solve 15*u + 0*u = 26*u - 2*u + 594 for u.
Solve this plz.

A:
-66