Solve -t - 9*i + 2 = -6*i, 0 = 3*t - 4*i + 20 for t.

-4

Solve -3*l = 5*i - 20, -5*i - 73 = -78 for l.

5

Solve -4*i = 4, -9*i + 5*i - 4 = s for s.

0

Solve -2*l = 2*l - c - 6, -5 = 3*l + 4*c for l.

1

Solve -4*y = 4*v + 28, 1 = -y - 6*v + 7*v for y.

-4

Solve 4*m - 4*s = 0, s - 5 = -4*m + 5 for m.

2

Solve 0 = q - 4*u + 21, 8*q - 4*q = -3*u - 8 for q.

-5

Solve t + 11 = 5*z - 9*z, 4*z + 4*t - 4 = 0 for z.

-4

Solve 2*n + 0 = -l + 1, l = -n + 1 for n.

0

Solve 2*h - 8 = 2*k + 4*h, 4*k - h + 6 = 0 for k.

-2