Solve -4*w = 2*d + 780 - 786, -5*d + 3 = -2*w for w.

1

Solve -3*h - 1 = 5*l, -4*h + 1 = -h + 4*l for h.

3

Solve -3*w - 6 = -2*x, 3*w - 81*x = -77*x for w.

-4

Solve f = 5*r + 11, -17 = 3*r - 2*f + 4*f for r.

-3

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

1

Solve j - r = -224 + 220, 3*j + 4*r = -26 for j.

-6

Solve -5*m = k + 1 + 6, 0 = -2*k - 2*m + 2 for k.

3

Solve 5 = 3*l - 4*i, 5*l + 2*i - 4*i + 1 = 0 for l.

-1

Solve -10 = -2*a + 4*k - 5*k, -k = 4*a - 20 for a.

5

Solve -2*t + 2 + 16 = 5*u, -8 = -2*t for u.

2