Solve -6*r + r + 9 = -3*a, -3 = r - 3*a for r.
3
Solve -4*f + 5*w - 3 = -1, -5*f - 5 = -5*w for f.
-3
Solve -3*r + 5*o + 13 = 0, 5*r + 11 = -o - 14 for r.
-4
Solve 4 = -i, 5*i + 44 = -o - 3*o for o.
-6
Solve 19 = -8*m + 13*m - 2*v, 0 = -3*m - v + 18 for m.
5
Solve -21 = -2*u + 5*m, -5*m + 0*m = 4*u + 3 for u.
3
Solve 3*p + 5*l = 8*p, l + 4 = 0 for p.
-4
Solve 2*j - 18 = 4*k - 0, 0 = -2*k + 4*j - 24 for k.
-2
Solve 7*k - 10*k = 0, 5*p - 2*k + 15 = 0 for p.
-3
Solve 4*g + 3*q - 4 - 10 = 0, -g + q = 0 for g.
2