Solve 0 = -2*k - 411*a + 407*a - 28, -6 = a for k.

-2

Solve y + 6 = -s, s + 3*s = -2*y - 20 for y.

-2

Solve -2*k = d + 10, 24*k - 10 = 26*k - 4*d for k.

-5

Solve 0 = -g - 4*u, 5*g = 2*g + 5*u - 17 for g.

-4

Solve -5*s + 5*c + 50 = -0, 0 = -2*c - 10 for s.

5

Solve 5*i + 10 = 2*g, -g - 4*i = 3 + 5 for g.

0

Solve 3*j = r - 4, 6*j - j = 5*r for j.

-2

Solve -12 = -4*x - 4*g, -4*x + 7*g - 3*g - 20 = 0 for x.

-1

Solve -5*y = -y - 3*s + 1, 2*s = -y - 3 for y.

-1

Solve -20 = -z - z + 5*r, -5*z - 2*r + 21 = 0 for z.

5