Solve -1073*r - 1108*r = -2154*r - 1701 for r.
Solve this plz.

A: 63

Solve -2461 - 1900 = -623*t for t.
Solve this plz.

A: 7

Solve -12*f + 11*f = -72*f + 852 for f.
Solve this plz.

A:
12