Solve 0 = -2*r + 2*c + 14, -6*c = -c + 25 for r.

2

Solve 3*t + 8 = k, 2*t - 4 = -12*k + 8*k for t.

-2

Solve 3*p = -3*r - 6, p - 5*r + 0 = 4 for p.

-1

Solve -2 = -14*d + 16*d + 4*h, -2*h = -4*d + 6 for d.

1

Solve 0 = 4*d + 3*b + 7, -d - 4*b = d + 6 for d.

-1

Solve -2*v + 7*v = 4*o + 20, o - 4*v + 16 = 0 for o.

0

Solve 0 = -5*o - k + 3 - 5, -4*o + k = 7 for o.

-1

Solve -3*x - 17 = 5*d, 0 = 2*x + 3*x + 4*d + 24 for x.

-4

Solve 4*n + 16 = -5*w, -32*w + 3*n = -31*w - 12 for w.

0

Solve 0 = a - 5*z + 29, 22 = -4*a + 4*z + 2 for a.

1