Solve 0 = -2*d - 12 + 6 for d.

-3

Solve 30 = -4*c + 42 for c.

3

Solve -20*x = -14*x + 42 for x.

-7

Solve 0 = 9*i + 40 + 5 for i.

-5

Solve -7*k = -4*k + 15 for k.

-5

Solve 5*m - 5 = -0*m for m.

1

Solve -7*j - 76 + 104 = 0 for j.

4

Solve -5*w + 9 = -2*w for w.

3

Solve 39*c - 6 = 41*c for c.

-3

Solve -8*h + 8 + 8 = 0 for h.

2