Solve 11 = -4*r - 3*i, 16 - 14 = 2*r + 4*i for r.

-5

Solve -3*h - 3 = -3*p, 16*h - 12*h + 4 = p for p.

0

Solve -5*f - 8 = l, -4*l + 4*f - 31 = -47 for l.

2

Solve -3*d - 10 - 5 = 0, -29 = 3*h + 4*d for h.

-3

Solve -f = -4*l - 1, 3*f - 4*l + 3 - 6 = 0 for f.

1

Solve 0 = 4*l + 20, -5*l + 7*l + 50 = 8*u for u.

5

Solve 10 = -2*s, 11 + 15 = 2*r - 4*s for r.

3

Solve 5*r = -4*k + 21, r + 4*k - 2 = -1 for r.

5

Solve 5*n + 0*n = -5*c - 25, -2*c = -3*n + 10 for c.

-5

Solve 21*x = 2*n + 16*x + 40, -31 = 5*n - x for n.

-5