Solve -3*b - 49 = -37 for b.

-4

Solve 21*x = 29*x for x.

0

Solve -f + 11 - 8 = 0 for f.

3

Solve -6*c - 120 = -150 for c.

5

Solve -553 + 8 = -109*d for d.

5

Solve 0 = 2*m - 16 + 18 for m.

-1

Solve 2*r - 16 + 8 = 0 for r.

4

Solve 0 = -19*q + 45*q - 130 for q.

5

Solve 6 = -g + 2*g for g.

6

Solve 27*r - 429 = -213 for r.

8