Solve 2*c = -2*h + 2, -2*c - 6 = -h - 5 for h.

1

Solve -8 = -u + 2*u - 2*r, 2*u + r = 4 for u.

0

Solve -2*t = a - 8, 138*t - 140*t + 20 = -5*a for a.

-2

Solve -d + 39 - 30 = 4*l, 2*d + l = -3 for d.

-3

Solve 5*l + 30 = 4*u, 0*u - 3*l = -u + 11 for u.

5

Solve 5*k + 10 = n - 4*n, -k = 4*n + 19 for n.

-5

Solve x = -2*w - 2*w + 7, w = 2*x - 5 for w.

1

Solve 4 = 3*u + u + 2*k, -u + 4*k = -10 for u.

2

Solve -3*u - 1 = 2*w - 0*u, -5*w - 31 = -2*u for w.

-5

Solve -5 = i - 4*y + 2*y, 0 = -3*y + 9 for i.

1