Solve -4*r = -4*x + 2*x + 10, -5*x + 17 = -2*r for r.
-1
Solve -6*s + 16 = -2*s - 4*z, 3*s - 5*z - 14 = 0 for s.
3
Solve -4*k + 4*n - 8 = 0, -5*k + 2*n = 5*n - 6 for k.
0
Solve 2*r - 4 = -2*f, -5*r + f = -f - 24 for r.
4
Solve -5*s = x + 49 - 40, 2*s + 18 = -4*x for s.
-1
Solve -4*q = 2*n + 20, -18 - 1 = 4*n + q for n.
-4
Solve 0 = -5*n - 2*k, 2*n - 12*k + 29 = -7*k for n.
-2
Solve -4*u + 5*b = 25, 4*u - b - 3*b + 24 = 0 for u.
-5
Solve 4*g = 3*z + 11 + 7, -4 = -2*g - z for g.
3
Solve 53*q = 50*q - 4*p + 13, -4*q = -p + 8 for q.
-1