Solve 1 = -5*d - 5*c - 4, -5*d + 4 = -4*c for d.
0
Solve -10 = -3*r - 7, 0 = -4*p - 2*r - 6 for p.
-2
Solve -2*n - 11 = -11*m + 16*m, -12 = 4*m for n.
2
Solve -2*a + 2 = 2*z, -3*z + 2*a - 21 = -3*a for z.
-2
Solve 2*r - 4*o + 10 = 0, 2*o + 3*o = 4*r + 14 for r.
-1
Solve -f + 4*c + 23 = 0, 16*c = 2*f + 18*c + 4 for f.
3
Solve -3*r + 4*a - 25 = 0, -2*r - 107 + 113 = 3*a for r.
-3
Solve 13 = -3*f - 5*l, 4*l + 592 = 572 for f.
4
Solve -3*b - 6 = -3*v, -22 = 5*b - 13*v + 14*v for b.
-4
Solve 4*j + 5*z = 1, -2*j - 3*z + 6 - 7 = 0 for j.
4