Solve 5*r - 4 = 2*k - 12, 4*k - r - 16 = 0 for k.

4

Solve 4*n - 2*n - 5*g + 31 = 0, -10 = -2*g for n.

-3

Solve 3*r + 5*d = 2*r - 6, -2*r + 2 = 3*d for r.

4

Solve -2*s - 6*z = -z + 22, -3*s = -3*z - 9 for s.

-1

Solve 40*y - 45*y - s = 0, -1 = -4*y - s for y.

-1

Solve 5*q - 5*h = -3*h + 1, -3*h = -6 for q.

1

Solve u - 3*d + 14 = 0, 0 = -3*u + 3*d - 5 - 13 for u.

-2

Solve 2*c - 5*r + 6 = -0*c, 0 = -2*r + 4 for c.

2

Solve 0 = -4*s + m + 20, -s = -6*s - 3*m + 25 for s.

5

Solve 4*t = 4*n - 3*n - 4, -2*n + 2 = -2*t for n.

0