Solve -2*h + 2*w = 8, 0 = -2*h + 4*h + w - 7 for h.

1

Solve -k = 5*j - 7, 5*k = -2*j - 5 + 17 for k.

2

Solve -5 = 5*h - 7*k + 3*k, 4*k = h - 15 for h.

-5

Solve 3*j + 1 = -3*a - 2, 0 = -5*j + a + 25 for j.

4

Solve 25 = 4*j + 5*u, 5*j + 4*u - 25 = -u for j.

0

Solve 42*t + 13 = 45*t - 4*h, 5*h = 3*t - 17 for t.

-1

Solve -f + 2*f - 29 = -5*u, 3*f + 5*u = 37 for f.

4

Solve -10*d + 11 = -11*d - 3*r, 2*r + 12 = -3*d for d.

-2

Solve -9 = 5*x + 2*q, -3*q = -21*x + 18*x + 3 for x.

-1

Solve 2*l = 4, -4*n - 2 + 0 = -5*l for n.

2