Solve 0 = -3*g - b + 1, -75*g = -72*g - 3*b + 15 for g.

-1

Solve y - 6 = -0*w - 3*w, 2*y - 3*w = 3 for y.

3

Solve 3*d - 2 = -d + 2*r, -15 = -5*r for d.

2

Solve -3*q + 11 = 2*w, -13*q = -11*q - 6 for w.

1

Solve 0 = -l + 3*j - 11, 0 = 2*l + 3*j - 0*j - 23 for l.

4

Solve z + 7 = -5*u + 1, z + 4*u + 5 = 0 for z.

-1

Solve -3*u - f = -8, -3*u + 2*f + 27 = 7 for u.

4

Solve c + 1 = -z, 46*z = 49*z - 5*c + 3 for z.

-1

Solve 2*l + 12*r + 2 = 7*r, 3*l - r + 3 = 0 for l.

-1

Solve -2*w + 1 = 3*q, -q + 5*q - w = 16 for q.

3