Solve 0 = -4*b + 4*d - 168, 3*b - 562*d + 567*d = 170 for b.

-5

Solve 4*r - 2*r - 12 = 2*u, 4*u + 3*r + 138 - 107 = 0 for u.

-7

Solve 5*h - 4*z - 20 = 0, -11*h - 5*h + 168 = 26*h + 3*z for h.

4

Solve v + 19 = -6*r, -4*r = r + 4*v for r.

-4

Solve 110 - 140 = 4*t - w, 3*t + 4*w - 37 = 45 for t.

-2

Solve 4*u - 4*l = 100, -4*l + 51 - 174 = -5*u for u.

23

Solve -4*n - 4*b - 132 = 0, -b - 9 = 3*n + 14 + 2 for n.

4

Solve 6*z = -113*c + 111*c + 10*z + 12, -3*c + 5*z = -23 for c.

16

Solve -4*u = -45*x + 47*x + 56, 3*u - 2 = -41 for x.

-2

Solve -86565*n = 5*c - 86568*n + 30, -4*c - 27 = -3*n for c.

-3