Solve 0 = -5*u + 25, -2*u + 9 = b - 6 for b.
5
Solve -2*r - 7*b + 12 = 1, -3*b = -3 for r.
2
Solve y + 5*o = 12, -3*y - 22*o = -25*o for y.
2
Solve 8 = 5*p - 3*m, -133*m = -129*m - 16 for p.
4
Solve 2*a - 3*n = 9, -8*a + 6*a + 12 = -4*n for a.
0
Solve -4*j = h + 13, j = -10*h + 13*h for h.
-1
Solve -14 = -2*f + 7*u - 4*u, 0 = 4*u + 8 for f.
4
Solve 2*x - 4*u = 12, 4*x = u - 73 + 83 for x.
2
Solve -21 = -2*g - 5*m, m - 8 = 2*g - 11 for g.
3
Solve -4*l - 3 = -5*v, 0*l - 2*l = 5*v + 9 for l.
-2