Solve 2*p - p = 4*v - 21, 0 = 5*v + 2*p - 10 for v.
4
Solve 4*m - a + 11 = 0, -4*a + 3*a = m + 9 for m.
-4
Solve 0 = -5*h + 4*h + m - 1, -4*m = 5*h - 4 for h.
0
Solve 2*d = -2, -5*d - 2 = 2*y - 7 for y.
5
Solve 0 = -k + 3*l + 3, 6*k - 2*l = 3*k + 9 for k.
3
Solve o = -4*o - s + 3, 3*o - 3*s = 9 for o.
1
Solve -i + 0*i - 22 = -5*v, 5*i = 5*v - 30 for v.
4
Solve -i = -g - 2, -24 = 5*g - i - 2 for g.
-5
Solve 3*c - 2 = -m + 2*c, -4*c = 4 for m.
3
Solve -13*n + 5*u = -15*n, 0 = 2*n + 3*u + 4 for n.
-5