Solve -18206*a - 1126 = -18138*a + 1526 for a.
Solve this plz.

A: -39

Solve 5*r + 324 = -10*r - 12*r for r.
Solve this plz.

A: -12

Solve -1520*g - 4945 = 737*g - 176477 for g.
Solve this plz.

A:
76