Solve -2*r + 11*z = -0*r + 13*z, 0 = -5*z - 5 for r.

1

Solve 3*p + 5*u = 4, 4*u + 2 - 12 = p for p.

-2

Solve 1 = z + y, -5*y - 3 = 3*z - 18 for z.

-5

Solve -4*d - p + 21 = 0, 255*p - 257*p + 10 = 0 for d.

4

Solve -25 = -5*u, 2*d + 4 = 7*u - 5*u for d.

3

Solve -2*d = -2*f + 8, 2*d + 5*f - 6 = 7 for d.

-1

Solve 12*c - 2 = 2*w + 10*c, -3*c + 15 = 3*w for w.

2

Solve 5*l + 3*o - 6 = -25, 0 = 2*l - 3*o - 5 for l.

-2

Solve 27*v = 32*v - a - 21, 5*a + 25 = 5*v for v.

4

Solve 3*p = -5*b - 10, -3*b + 2*p - 899 = -912 for b.

1