Solve 5*d = 5*n + 5, 4 = -n + 5*d - 13 for n.

3

Solve -9*u + 11*u = -4*x + 6, 0 = -5*x + 4*u + 40 for x.

4

Solve 0 = h + 2*u, 5*u = -h - 3*h + 6 for h.

4

Solve -11 = 5*y + m, 5*y + m + 2*m = -13 for y.

-2

Solve 2 = r + 4, r + 1 = -x for x.

1

Solve 0 = 10*h + 3*f - 32, -2*h - 2*h - 3*f + 2 = 0 for h.

5

Solve -5*k - 3*g - 10 - 4 = 0, 5*k + 5*g + 10 = 0 for k.

-4

Solve 2*d + 6*t - 10*t - 8 = 0, -4*d + 2 = -t for d.

0

Solve 0 = 2*p + 4*f + 8, 5 = -5*p - 5*f - 5 for p.

0

Solve 4 = -y, 3*y + 12 = -4*j + 5*y for j.

-5