Solve 79*u = 2*t + 80*u + 5, 0 = -4*t - u - 9 for t.

-2

Solve b - 4*m - 7 - 1 = 0, -7 = -2*b + 5*m for b.

-4

Solve n - 10 = 2*z, 0 = -4*z - n - 5*n + 12 for z.

-3

Solve 5*m - 13 = -2*p, -19*m = -4*p - 23*m + 8 for p.

-1

Solve -4*l = -4*q - l - 20, 15 = -3*q - 3*l for q.

-5

Solve -5*x + 3*c - 2 = 0, -2*c - 7 = -0*x + 5*x for x.

-1

Solve -4*s - 4*x + 37 = x, -3*x + 3 = -4*s for s.

3

Solve -q + 4 = 3*i, 52*i = 55*i + 3*q - 18 for i.

-1

Solve 2*j - 28 = 4*i, -5*i + 2*i - 15 = 0 for j.

4

Solve 2*w + u = -5, 2*u - 3*u = 3*w + 7 for w.

-2