Solve -5*c - 10 = -5*d, -2*c - 15*d + 6 = -12*d for c.

0

Solve 10 = -2*s, 20*i = 22*i + 3*s + 19 for i.

-2

Solve 3*b + 5*x - 2 = -17, -3*b - 9 = 3*x for b.

0

Solve -3*y - 25 = 2*q, 2 - 12 = -2*q + 4*y for q.

-5

Solve 6 = -n + 2*z, 3*z = -z + 16 for n.

2

Solve -4 = f - r, 7*f - 5*f = -3*r - 13 for f.

-5

Solve 4*r = 8*r + a - 15, 4*r + 2*a - 18 = 0 for r.

3

Solve 4*f = 7*f - 2*q + 6, 0 = -f + 2*q - 6 for f.

0

Solve 5*m = -5*l + 35, 2*m + 44 = 52 for l.

3

Solve d = -2*w + 1, w - d = -2*w - 1 for w.

0