Solve s + 22 = 2*s + 4*r, 0 = 4*s - 4*r + 12 for s.

2

Solve 2*k = h + 4*h + 19, 5*h + 25 = 0 for k.

-3

Solve 4*a - 2*q + 8 = 6, -4*a - 1 = -q for a.

0

Solve 0 = 2*n + 5*k + 21, -2*n - 9*k = -11*k for n.

-3

Solve -5*u = -2*i + 28, -10*i + 6*i + 4 = 3*u for i.

4

Solve 83*w - 28 = 87*w - 4*x, 0 = x - 3 for w.

-4

Solve l + 3 + 3 = -p, 3*p + 2*l + 15 = 0 for p.

-3

Solve -a + x = -0 - 1, 0 = a - 2*x - 1 for a.

1

Solve -5*l + 10 = 0, l - 4*l + 18 = 4*q for q.

3

Solve -y - 7 = -4*p, -11*p - 4*y = -14*p + 15 for p.

1