Solve -13*l - 6 = -11*l - 4*r, 4*l - r = -19 for l.

-5

Solve 0*d + 2*d + 14 = 5*u, -3*d = -2*u + 10 for d.

-2

Solve 5*a + 3 = -12, 4*l = 2*a + 2 for l.

-1

Solve 36*w - 5*x + 10 = 34*w, 0 = -4*w + 3*x - 20 for w.

-5

Solve 0 = -2*z + 4, -z - 4 = 4*r + 6 for r.

-3

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

-4

Solve -k = k - 2*v, -9 = 2*k - 5*v for k.

3

Solve -5*x + 2*f = 6, -34*x + 33*x + 4*f + 24 = 0 for x.

-4

Solve -4*w = 2*u + u - 7, -w + 4 = 3*u for w.

1

Solve m + s - 1 = 0, -10 = -0*s + 5*s for m.

3