Solve 0*r + 8 = -5*r - 4*x, 5*r + 10 = -5*x for r.

0

Solve 4*y = 2*x, 52*y - 49*y = 2*x - 1 for x.

2

Solve -5*j + 3*x = 13, 0 = -4*j + 7*j + 4*x + 31 for j.

-5

Solve -5*b = -25*s + 27*s - 28, 19 = -4*b + 3*s for b.

2

Solve v = 5*a - 3, 0 = -a + 4*v - 0*v - 7 for a.

1

Solve 4*z - 5*p + 4 = 0, 4*z - 3 = p + 9 for z.

4

Solve -4*k - 15 = -3*n, 22 = 3*n - 3*k + 7 for n.

5

Solve -4*x - 54 = -50, 5*u - x + 9 = 0 for u.

-2

Solve 5*i + 11 = i + r, -4*r + 4 = 4*i for i.

-2

Solve -6*g + 3*g - d + 4 = 0, 0 = -5*g - 5*d + 10 for g.

1