Solve -4*a - 16 = w, 31*a - 34*a = 3*w + 12 for w.
0
Solve 3*y - 2*r - 17 = -r, 0 = -5*y - 4*r for y.
4
Solve 0 = 5*w + 20, -3*d = 7*w - 5*w + 20 for d.
-4
Solve -j - 2*u = -7, -3*u + 0*u = -4*j - 27 for j.
-3
Solve 5*l - 2 = -3*i - 37, -i = 2*l + 13 for l.
-4
Solve 3*g - 5*j - 13 = 0, -g = -3*j - 164 + 153 for g.
-4
Solve v = 101*s - 106*s - 2, 0 = -v + 3 for s.
-1
Solve 8 = 4*h - 3*y, -70*y + 3 = h - 71*y for h.
-1
Solve -4*n - 3*f = -4, -4*f - 4 = 5*n - 10 for n.
-2
Solve 2*l + 12 = -5*f, -3*f + 4 - 13 = 3*l for f.
-2