Solve -2*j + 10 = 2*g, -3*j + 4*j - 20 = -4*g for g.
5
Solve 2*y = -5*d - 20, 4*y = 9*y for d.
-4
Solve -o = n - 3 + 9, 2*o = -n - 9 for o.
-3
Solve 2*b + b + 5*x = 19, 0 = 5*b - 4*x - 7 for b.
3
Solve 4*d - 3*w - 13 = -6, -d = -5*w - 6 for d.
1
Solve 0 = -4*o - 4, -o = -r + 5*r + 17 for r.
-4
Solve -5*l + 0*l + r = 4, -l - 5*r = -20 for l.
0
Solve 15*k - 18*k = u - 15, -2*k + u = -10 for k.
5
Solve 0 = f - 2*p, -91*p + 95*p = 0 for f.
0
Solve 12 = 2*g + 4*l, 5*g + 3*l - l = 14 for g.
2