Solve -5*i + 7 + 0 = 2*f, i = -3*f + 17 for f.

6

Solve 5*a = -6*n + 8*n - 20, 3*n = -5*a + 5 for n.

5

Solve -4*v + 43 - 8 = -5*h, 31 = -2*h + 5*v for h.

-3

Solve -5*u + 5 = a - 3*u, 2*a - 10 = -2*u for a.

5

Solve -p - 15 = -4*k, -3*k - 26*p + 25*p = -6 for k.

3

Solve -12 = 16*v - 15*v + 3*h, -5*h - 20 = -5*v for v.

0

Solve -j - 4*v + 15 = 0, 5*j - v = -0*j + 12 for j.

3

Solve -2*f + 3*c + 59 - 43 = 0, -5*c - 16 = 2*f for f.

2

Solve 0 = -0*v - v + 2*r - 4, 3*v - 15 = -3*r for v.

2

Solve -4*s = 3*t + 1 - 40, 2*s - 2 = 2*t for t.

5