Solve -y = -3*x + 5, y + 2*x = -3*x + 19 for y.
4
Solve -f - 5*m - 31 = -5*f, 0 = f - m - 7 for f.
4
Solve 4*q = 4*z + 28, 47*q - 52*q + 3 = 3*z for z.
-4
Solve 2*l = 3*l + 2*b, 3*l = 2*b - 16 for l.
-4
Solve -3*p + 3*k = k, 0 = 2*p - 3*k for p.
0
Solve -3*l = -l + 8, -4*f - l + 12 = 0 for f.
4
Solve 8 = 2*k + 4*l, 5*l + 5 = 6*k - k for k.
2
Solve k - 2 = a, -k + 28 = -5*k - 5*a for k.
-2
Solve -3*i - 5*p = 8, 2*p + 0 = -5*i + 12 for i.
4
Solve -4*n - 18 = -2*c, 8 = -5*n - 2*c - 1 for n.
-3