Solve 71*u = -149*u - 753 + 4273 for u.
Solve this plz.

A: 16

Solve 1943 = -6*m - 117*m - 3162 - 4366 for m.
Solve this plz.

A: -77

Solve 10*i - 7 = 3*i for i.
Solve this plz.

A:
1