Solve -5*z + 4*y + 18 = 0, -16*z + 12*z = 4*y for z.
2
Solve -3*w + w = -4*i + 10, -i + 5*w = 2 for i.
3
Solve -3*m - 14 = a, 0*m - 14 = 4*m - a for m.
-4
Solve 13 = 3*d - 4*w, 5*d + 251 = w + 250 for d.
-1
Solve 17 + 12 = 5*l + u, 0 = -3*u - 3 for l.
6
Solve -d - 3*q + 4 = 0, 2*d + 2*q = -0*q for d.
-2
Solve -2*m + 3*a = -3 - 4, 5*a + 5 = 0 for m.
2
Solve 0 = -15*m + 20*m - 3*b - 34, 0 = 4*m - 3*b - 29 for m.
5
Solve -x - 36 = 3*x - 4*q, -q + 4 = 0 for x.
-5
Solve 28*f = x + 32*f + 25, -2*x = -5*f - 15 for x.
-5