Solve -21*u + 26*u = v + 1, 5*u - 13 = -2*v for v.
4
Solve -4*i + 3*a + 21 = -7*i, 0 = 2*i - 3*a - 1 for i.
-4
Solve 3*r + 9 = -0*p - 3*p, 2*r - 29 = 5*p for r.
2
Solve 26*l - 5*h - 35 = 21*l, 3*h = -3*l + 9 for l.
5
Solve 4*l = 2*m + 3*l - 5, 0 = -m + 2*l + 10 for m.
0
Solve -2*f - 3 = -5*p, -8*f + 3 = p - 6*f for p.
1
Solve d + d + 4 = 2*l, -3*l = 4*d - 20 for l.
4
Solve 0 = 2*w + 8, 4*a = -0*a - 4*w - 32 for a.
-4
Solve -1 = q + 2*m - 16, -3*m + 15 = 0 for q.
5
Solve 0 = -3*p - 2*b - 13, -18 + 8 = p - 5*b for p.
-5