Solve -2*s - 10 = 2*k, 3*k - 2*k - 4*s = 15 for k.

-1

Solve -15 = -2*y - 2*d - 3, -2*d - 4 = -2*y for y.

4

Solve -5*f - 4*a + 20 = 0, 0*f = 4*f + 2*a - 16 for f.

4

Solve -5*b - 5*o = -4*o + 6, -2*b - 5*o + 16 = 0 for b.

-2

Solve s + x + 2 - 4 = 0, 4*x = -3*s + 11 for s.

-3

Solve 2*x + s + 4 = -4, s = -4 for x.

-2

Solve x + 10 = -2*m, -7 + 26 = -4*x - m for x.

-4

Solve 5*v = -5*l - 1 - 4, -2*v - 3 = 3*l for v.

0

Solve 0*n - 4*n = -2*j, n + 2 = 0 for j.

-4

Solve -2*i - 1 = -5*i + 2*w, 4*i + 2*w = -8 for i.

-1