Solve 12*a - 3*i = 7*a + 13, 0 = 2*i + 2 for a.

2

Solve -4*p = -p - 2*k + 18, 0 = p + 5*k - 11 for p.

-4

Solve 5*t = -5*u + 35, 4*u + 4*t = 2*u + 18 for u.

5

Solve -13*d = v - 15*d - 6, 3*v + 5*d + 4 = 0 for v.

2

Solve 0 = -2*s + 2*h - 2, -2*s = 5*h - 63 + 65 for s.

-1

Solve -4*l - 2*i = -4 + 2, -5*l = -5*i + 35 for l.

-2

Solve 28*p - 29*p - 13 = -4*s, 5*s - 23 = -p for s.

4

Solve 73 = -4*k - 4*h + 57, 0 = -2*k + 2*h + 12 for k.

1

Solve -n + 5*a = -20, 9 = -3*n - 2*a - 16 for n.

-5

Solve -2*c = -4*z - 12, 3*c + 4*z - 2*z = -14 for c.

-2