Solve -20*p + 20 = 5*z - 21*p, 4*z = -p + 16 for z.

Solve -5*a = 2*p + 3*p + 50, -20 = 5*p - a for p.

-5

Solve 5*x - 5*f = -6*f + 10, -17 = -2*x - 3*f for x.

1

Solve 5*b - 8 = -3*q - 3, q - 5 = 0 for b.

-2

Solve 3*z - 10 = 2*i, 0 = 4*z - 4*i - 0*i - 20 for z.

0

Solve -2*f + 4 = -2*v, -45*v - 2 = -47*v + 4*f for v.

-5

Solve -2*l + 5*q - 17 = 0, -2*l + 0*q - 5 = -q for l.

-1

Solve 13*q - 18 = -4*i + 10*q, -2*q + 1 = -i for i.

3

Solve 0 = -2*t + s + 3 - 8, 7 = -t - 4*s for t.

-3

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

-5

Solve 2*o - 5 = -3*n, 5*n - 11 = 3*o + 10 for o.

-2