Solve 0 = d + 5, 0*j + 5*d = 5*j - 45 for j.

4

Solve 13*q - 7 = -2*t + 10*q, -3*t + 5*q = -20 for t.

5

Solve -15 = 4*x - 3*q, 3*x + 0*q + 15 = 3*q for x.

0

Solve 3*x - 3 = 4*y, 4*x - 3 = 5*y + 2 for y.

3

Solve 0*b + 15 = -5*b + 5*c, -2*b - 1 = -c for b.

2

Solve 2*l + 4 = 10*w - 8*w, w = -l + 4 for l.

1

Solve 3*m - 5*a - 20 - 9 = 0, 0 = -m + 5*a + 23 for m.

3

Solve 4 = -2*h - 5*y - 11, -5*h + y = 24 for h.

-5

Solve -4*j + 5 = -u - 9, 0 = 5*u + 4*j - 2 for u.

-2

Solve -h = -5*k - 0*k + 20, 2*k - 8 = -4*h for h.

0