Solve 6 = -i - 2*q, -5*i - 16*q = -15*q + 21 for i.

-4

Solve 0 = 4*o - 4*y + 12, -3*y + 14 = -5*o - 5 for o.

-5

Solve -z = 5*d, 0 = 3*d - 5*z - 3 - 25 for d.

1

Solve -79*z + 81*z + 3*c = -16, -z + 1 = -3*c for z.

-5

Solve 0 = 4*o - 0*o - 4*w + 4, 3*o - 4*w + 8 = 0 for o.

4

Solve -3*h + 43*b + 6 = 40*b, -5*h = 5*b - 10 for h.

2

Solve -47*d + 46*d = 0, 4*u - 4*d = -16 for u.

-4

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

-2

Solve -4*n - 23 = k, 3*n - 7*n - 5*k - 35 = 0 for n.

-5

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

1