Solve 3*r + 8 = p, -3*p - 3 + 13 = 5*r for r.
-1
Solve -4*u + 13 = 3*j, 7*j - 10 = 3*j + 2*u for j.
3
Solve 0 = -2*v - 4*s - 18, 4*s + 25 = 5 for v.
1
Solve -8 = -2*n - 3*c, -3*n + 1 = 3*c - 11 for n.
4
Solve 15 = -3*d, -3*d + 4*d = -s - 9 for s.
-4
Solve -5*l + 5*z + 47 = 7, 4*l = -3*z + 11 for l.
5
Solve 0 = 5*a + 2*y - 7, -3*a - 4*y - 3 = 4 for a.
3
Solve 5*d - 4*y + 5 = 23, 3*d - 2*y = 10 for d.
2
Solve 5*t - 8 = 2*s, -16*t + 15*t = -2*s - 8 for s.
-4
Solve 16 = 5*n + k, -39*k = n - 34*k + 16 for n.
4