Solve 20*i = 9*i + 55 for i.

5

Solve -22*r + 35 = -15*r for r.

5

Solve -93 - 537 = -90*c for c.

7

Solve 2*o + 24 = 8*o for o.

4

Solve -50 = -59*i + 34*i for i.

2

Solve -d + 9 - 13 = 0 for d.

-4

Solve 0 = -15*f + 37 + 68 for f.

7

Solve -6*g = 576 - 570 for g.

-1

Solve -97 = 11*n - 119 for n.

2

Solve -t + 24*t = -69 for t.

-3