Solve 3*p - 1 = -u, -2*u - 27*p + 26*p = 3 for u.
-2
Solve -y - 4*i = 4, y = -y + 4*i + 16 for y.
4
Solve -3*f + 16 = j - 4, -4*j + 15 = -f for j.
5
Solve -f + b + 0*b + 2 = 0, 4*b - 4 = 0 for f.
3
Solve 3*w - 2*y = -8, 10*w = 15*w + 5*y + 30 for w.
-4
Solve 4*j + 2 = 2*z + 12, -z = 1 for j.
2
Solve 2*u - 6 = 2*r + u, 5*r + 28 = -4*u for r.
-4
Solve 3*k + 5 = 4*j + 4, -3*j + 22 = 2*k for j.
4
Solve 0 = w + 3*s + 6, 3*w + s = -w - 13 for w.
-3
Solve -x - l = 7, -3 = 5*l + 7 for x.
-5