Solve -3*d - d + 6 = 5*r, 0 = 5*r - d + 14 for r.
-2
Solve 5*y = 2*r - 10, -y - 3*r = -3*y + 7 for y.
-4
Solve -3*c - 17 = 5*o + 17, c + 23 = -4*o for c.
-3
Solve -5*v - 48*u + 50*u + 20 = 0, 3*u = -4*v + 16 for v.
4
Solve -j - 21 = 5*o, -2*j = -5*j - 3*o - 15 for j.
-1
Solve 5*i + 14 = 3*o, -3*o - o - 4*i - 24 = 0 for o.
-2
Solve -2*l = -6*l - k + 12, 0 = -2*l + k + 6 for l.
3
Solve -23 = -5*o + 4*j, 51*j = -2*o + 46*j - 4 for o.
3
Solve -9*m + 11*m - 4*v = 8, -13 = -5*m + 3*v for m.
2
Solve 2*q - 3*d = 5*q - 33, -4*d - 12 = -4*q for q.
7