Solve -5*f + 28 = h, 3*f - 18*h = -14*h + 3 for f.
5
Solve -5 = -3*v + 5*x - 6*x, -v + 11 = -2*x for v.
3
Solve -2*f + f = -4*u - 7, 0 = -3*f + 5*u for f.
-5
Solve 0 = 4*i + 3*l - 28, -20 = -7*i + 3*i - l for i.
4
Solve y + u - 5 = 0, 43*y - 3*u = 48*y - 21 for y.
3
Solve -5*n = j + 23, 0 = j + 7*n - 5*n + 8 for j.
2
Solve 0 = 5*a + 10, -3*u + a = -3*a + 4 for u.
-4
Solve 20 = 5*r - 5*g, 6*r = 4*r - g + 5 for r.
3
Solve -n + 4 = -3*p, -5*n = 2*p - 0*p - 3 for p.
-1
Solve 4 = -z + 4*k - 5*k, 2*k = 2*z for z.
-2