Solve -91 = 5*b + 2*d - 63, -2*b + 20 = -7*d for b.

-4

Solve -z + 212*k - 207*k + 22 = 0, z + 4*k + 23 = 0 for z.

-3

Solve 6 = -3*u + 5*c - 0*c, 5*u + c = 18 for u.

3

Solve -3*n + 58 = -t + 44, 0 = 5*t + 2*n - 15 for t.

1

Solve 9*x + 12 = -2*n + 5*x, 0 = -3*x - 6 for n.

-2

Solve -3*i + h = 0, i + 5*h = 5*i for i.

0

Solve -3*i - 15 = -3*t + 5*t, -2*i = 6 for t.

-3

Solve 8*z = -4*l + 3*z - 18, -l = -z for l.

-2

Solve 4*t = 6*t - 3*x + 10, 0 = 2*t + 4*x + 10 for t.

-5

Solve -3*i = -3*x - 10 - 5, 0 = 3*x - 2*i + 15 for x.

-5