Solve -4*b + 3 = -4*a - 25, 5*a = -3*b - 19 for b.
2
Solve 21*f - 19*f - 14 = -5*i, -5*i = -20 for f.
-3
Solve -o - 4*m + 15 = 0, -50 = 7*o + 18*m - 21*m for o.
-5
Solve -2*u - 1 = 21*p - 24*p, -5*u + 26 = 2*p for u.
4
Solve 1 = 5*o + 3*a, -5*o + 3 = 23*a - 19*a for o.
-1
Solve 9*v + 7 = 5*v + u, 4*v - 2*u + 10 = 0 for v.
-1
Solve -5*b + 12 = -4*o, b - 9 = 3*o - 11 for b.
4
Solve g = -2*k - 13, 2*k - g = 5*k + 17 for k.
-4
Solve 5 = -c + o, 3*c - 11 = -5*o - 2 for c.
-2
Solve 0 = 3*a - 5*v - 5, 3 = -5*a + 4*a - 3*v for a.
0