Solve 0 = -4*r + b - 6, 6*r - 5*r + 11 = 5*b for r.

-1

Solve -2*x - 3*t + 15 = -5*x, 4*x + 20 = 3*t for x.

-5

Solve 4*d - 22 = 2*k, d + 3*k = -2*k - 11 for d.

4

Solve 4*y - 3 = -15, 3*y = -5*n - 29 for n.

-4

Solve c + 4*a = -3, -86*c = -90*c + 5*a + 9 for c.

1

Solve 8*p - 7*p = -3*q - 10, 2*p + 5*q + 15 = 0 for p.

5

Solve 2*v + 8 = -3*x, -22*v - 30 = 5*x - 27*v for x.

-4

Solve 5*c - 6 = 3*g, -8*g + 3*g = c - 18 for g.

3

Solve -4*w = -3*r - 8, -5*r = 4*w - 6*r for w.

-1

Solve 5*u - 4 = 9*q - 8*q, 2*u = 4*q - 2 for u.

1