Solve 47*r - 3*a = 45*r - 8, 4*a = -2*r + 6 for r.

-1

Solve -3*p - 2*z = 5 + 5, 2*p = -3*z - 15 for p.

0

Solve -l - 13 = 3*x, l + x = -0*l - 7 for l.

-4

Solve -4*y - 2*k + 20 = 0, 5*k + 35 = 5*y + 10 for y.

5

Solve 0 = 3*i - 3*s + 15, -i = -2*s - 6 + 15 for i.

-1

Solve u - 31 = 8*s - 76, -s - 4*u = 15 for s.

5

Solve -4*n + 5*n = -3*y + 6, -n = 2*y - 6 for y.

0

Solve 3*x + 8 - 17 = 5*w, -w = -x + 3 for w.

0

Solve 5*x = 3*a - 4*a + 21, 19 = -a + 5*x for a.

1

Solve 4*q = -v - 4, 4*q - 16 = 5*v + 4 for q.

0