Solve -5*z + 4*i - 2 = 0, -22*z + 4 = -21*z - 3*i for z.
-2
Solve 37 = 3*w + 5*a, 2*a - 11 = -4*w + 15 for w.
4
Solve 3*b - 10 = -3*f + 2*b, 2*f - 25 = 3*b for f.
5
Solve 3*n - 4*z = 17, n - 2*z = -n + 10 for n.
3
Solve 5*a = -c + 4*a - 1, 0 = 4*c + 2*a - 4 for c.
3
Solve m - 25*x - 6 = -23*x, -5*x = -4*m + 21 for m.
4
Solve 5*k + 7*f + 12 = 3*f, -2*k + 5*f = -15 for k.
0
Solve -2*m - 3*i - 10 = 0, 15 = -3*m - 0*m - 4*i for m.
-5
Solve u + 4*d - 43 = -13, 2*u = 4*d - 24 for u.
2
Solve u - 4*y - 15 = -12, 0 = -4*u - 4*y - 28 for u.
-5