Solve -4*u + y = 3*y + 20, -28 = 2*u + 4*y for u.

-2

Solve -15 = -5*u - 4*m, 5*m = 6*m - 5 for u.

-1

Solve 15*r - 11*r - 20 = 2*d, 22 = 5*r - d for r.

4

Solve -75*u + 72*u + 2*j = 2, -2*j = 5*u + 14 for u.

-2

Solve -12 = 5*b - z - 29, z = 2*b - 8 for b.

3

Solve -3*i = -3*u - 3 - 6, 0 = -i + 2*u + 1 for i.

5

Solve s - 1 = 2, 3*h = 5*s - 24 for h.

-3

Solve -w - 15 = 3*c, 0 = 5*c - 2*c - 4*w for c.

-4

Solve -2*g = -2*j + 6, -5*j + 3*g + g = -11 for j.

-1

Solve 3*w = 2*j - 2, 2*j + 5*w - 2 = -0*j for j.

1