Solve -5*s + 10 = 3*f - 4*f, -3*f - 5*s + 10 = 0 for f.

0

Solve 5 = -2*y - 5*c - 21, -y - 4*c = 19 for y.

-3

Solve -n + 3 = -4*r + 5, -r = -2*n - 4 for r.

0

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

-1

Solve -t - 4*d = -0*d + 11, -t - 2*d = 7 for t.

-3

Solve -2*u + 6*u = -3*q + 7, 0 = 3*q - 4*u + 1 for q.

1

Solve 0 = -3*c - n + 10, 0 = 12*n - 11*n + 2 for c.

4

Solve -5*q - 1 = -3*n, 2*q + 0*n - 8 = -3*n for q.

1

Solve -2*a - 14 = 4*v, -44*v - 4 = -42*v - 2*a for v.

-3

Solve 3*a + 13 = x + a, x - a = 8 for x.

3