Solve -3*s - h = -5*h - 1, s - 5*h = 15 for s.
-5
Solve -2*b + 2 = -4*y, -9*b + 12 = -4*b - 3*y for b.
3
Solve -5*v - 103*u - 2 = -106*u, 4*v - u + 3 = 0 for v.
-1
Solve 2*i - s + 9 = 0, -70*i = -74*i - 3*s - 23 for i.
-5
Solve 1 - 3 = -5*i - 4*l, -3*i = 5*l - 9 for i.
-2
Solve 0 = -4*v - 2*q - 8, 0 = -5*v - 2*q - 12 - 0 for v.
-4
Solve 5*d = -2*n + 11 + 13, 2*n + d = 8 for n.
2
Solve -d = n, 2*d = 2*n - 0*d + 8 for n.
-2
Solve -15*z + 11*z + 3*o - 16 = 0, -z + 4*o - 4 = 0 for z.
-4
Solve -4*b = a + 29, -5*b - 10*a = -11*a + 34 for b.
-7