Solve 4*z + 5*i = 21, i - 4 = -0*z - z for z.

-1

Solve l + 8 = -2*y, 2 = -l + 2*y + 6 for l.

-2

Solve -3*o + 11*h - 10*h = 11, 4*o = 3*h - 23 for o.

-2

Solve 0 = -f + 5*q + 10, -7*q + 13 = -2*f - 8*q for f.

-5

Solve -2*m = 4*q + 16, 3*m + 69*q - 20 = 74*q for m.

0

Solve 0*y + 3*y + 17 = -5*c, -c - 2 = 2*y for c.

-4

Solve 4*a - 14 = 2*z, 0 = -3*a - 3*z + 20 + 4 for a.

5

Solve -h = 2*z + 9 + 2, 10 = -z - 2*h for z.

-4

Solve 3*o + 4*r + 20 = 0, 0*o - r + 14 = -4*o for o.

-4

Solve 2*p - 2*a - 6 = -a, 4*p - 26 = -5*a for p.

4