Solve 0 = 3*k + 4*m - 24, 4*k - 5*k + 1 = -m for k.

4

Solve 21 = -3*l - l + 5*v, 0 = -4*v + 4 for l.

-4

Solve 0 = r + 2*r + 4*z + 8, 2 = 3*r - z for r.

0

Solve 4*t + 4*d + 2 = 7*t, t + 5*d + 12 = 0 for t.

-2

Solve -2*z - 6 = 0, -2*z = -5*q + 12 + 4 for q.

2

Solve 50 = -5*c + 5*x, x + 10 = 224*c - 227*c for c.

-5

Solve 3 = -5*y + 3*x, -y + 5*y - 3*x = -3 for y.

0

Solve 0 = -4*a - 2*b - 10, -8*b + 3*b = -3*a + 12 for a.

-1

Solve 3*j + j = 12, 5*z + 5*j - 10 = 0 for z.

-1

Solve 0 = 4*j - 0*z + 3*z - 17, -4*z + 1 = j for j.

5