Solve -2*l = o - 15, 2*o + 10 = l + 3*l for l.
5
Solve -5*g = -c + 12, 0*g + 3*c = -4*g - 2 for g.
-2
Solve -3*z = -6, z + 3*z - 4 = f for f.
4
Solve 60*o - 58*o + 3*g = 0, -5*o = 5*g + 5 for o.
-3
Solve 2*w - 1 = l, 29*l + 4 = 27*l + 5*w for l.
3
Solve 2*s + 121*q = 125*q + 10, -5*q = 15 for s.
-1
Solve -3*q + 4*q = 3*i + 8, 2*q - 12 = 4*i for i.
-2
Solve -4*r + 2*t - 10 = 0, -9*r - 5*t = -12*r + 10 for r.
-5
Solve -23 = -3*w + 3*l - 5, 6 = -5*w - 4*l for w.
2
Solve 0*u - 4*h + 11 = 5*u, h = 4 for u.
-1