Solve 4*f + 26 = -3*i, 14 = 2*f - 4*f - 2*i for f.
-5
Solve 15*l = -3*r + 19*l + 14, 5*r - 3*l = 16 for r.
2
Solve 4*l + 5*m = 12, -4*l + 3*m = 4*m - 12 for l.
3
Solve 0 = 4*v + 2*h - 4*h - 14, 3*v - 8 = 4*h for v.
4
Solve -3*l - 5 - 12 = -o, -3*o + 4*l + 31 = 0 for o.
5
Solve 0 = -l + i + 1, -l - 7 = -4*l - i for l.
2
Solve 0 = -4*r + 2*r - 4*k, 0 = -4*k + 8 for r.
-4
Solve -16*i = -17*i - u + 1, 0 = -3*i - 2*u + 1 for i.
-1
Solve 5*p = 3*i - 2 - 11, -2*p = 2*i + 2 for p.
-2
Solve 0 = -k - 6*v + 3*v - 10, -2*k - 14 = 3*v for k.
-4