Solve -5*k + 3*n + 21 = 3, 0 = 3*k + 3*n - 6 for k.

3

Solve 3*t = 0, -14*k + 12*k + 6 = -3*t for k.

3

Solve -3*f - 7 = -4*f - 4*i, -f - 2*i + 3 = 0 for f.

-1

Solve -30 = -5*h - 2*n, -5*h + n + 2 = -13 for h.

4

Solve -4*v - 31*z + 8 = -27*z, -4*z = v - 2 for v.

2

Solve -b + k - 1 = 0, -4*b - k + 6 = -10 for b.

3

Solve 5*g = -s + 7, 5*s - 5*g = 8*s - 11 for s.

2

Solve -4*f + 8 = 2*m + 2, 22 = 3*f - 2*m for f.

4

Solve -5*a + 27*f = 28*f, -5*a = -2*f for a.

0

Solve h + 2*k = -0*h - 5, 2*h + 10 = 4*k for h.

-5