Solve 3*y + 2*x - 10 = 0, -5*x = 5*y - 10*x + 25 for y.
0
Solve 0 = 4*y - 3*r + 11 - 14, -12 = -4*r for y.
3
Solve -4*f + 14 = -3*c + 19, 7*f + 20 = 3*c for f.
-5
Solve 0 = -4*c + 4, 3*c = 2*i - 55 + 72 for i.
-7
Solve 3*l - 4*s - 4 = 0, -s = -4*l - 12 + 13 for l.
0
Solve 0 = -2*d + 3*f + 7, 2*f + 32 = -3*d - 2*f for d.
-4
Solve -3*y + 12 = -2*b, 7*b - 5*y = 3*b - 20 for b.
0
Solve 20 - 5 = u + 5*a, 4*u - 2*a = -6 for u.
0
Solve -4*a = -16, -a + 34 = -2*d + 36 for d.
3
Solve -5*d = -2*d - 6, -5*z - 7 = -d for z.
-1