Solve 5*a - 3*k = -21, -7*k + 6*k = 5*a + 13 for a.

-3

Solve -5*u = -8*u - 5*p - 17, 3*p = -12 for u.

1

Solve z - 7 = 3*u - 1, -4*z - 4*u = 24 for z.

-3

Solve 4*i = 3*u, -i + 2*u + 0 + 5 = 0 for i.

-3

Solve 0 = 3*r + i + 2, -5*i - 1 = 4*r - 2 for r.

-1

Solve -4*c + 5*c - 4*g = -13, -4*g = 3*c - 25 for c.

3

Solve 4*t - 4*f - 2 = -9*f, 2*t + 4*f = 4 for t.

-2

Solve g = 2*i + 8, -1 = i + 7*g - 9*g for i.

-5

Solve 5*n - 18*a - 2 = -20*a, 0 = 5*n - 5*a + 5 for n.

0

Solve -3*m + 2*c + 13 = 3*c, 7 = -3*m + 4*c for m.

3