Solve 3*r - 2*y = 20, 3*r - 3 = -2*y + 1 for r.

4

Solve -3*f + w + 17 = 0, -4*f - 20 = 4*w - 16 for f.

4

Solve 2*g = 5*n - 25, 3*g = -n - 517 + 522 for n.

5

Solve -5*x + 4*a = -2, 2*x - 4*a = -1 - 3 for x.

2

Solve -3*y + 15 = -5*j, 4*j - 505*y + 510*y - 25 = 0 for j.

0

Solve -i = u - 4, -i = i - 4*u + 22 for i.

-1

Solve 5*p - 7 = 45*r - 46*r, 3*p + 1 = 2*r for r.

2

Solve 7*l - 5*l - 3*x = 10, -2*l - 2*x + 10 = 0 for l.

5

Solve 3*s + 2*f + 9 - 1 = 0, 2*s - f + 10 = 0 for s.

-4

Solve 0 = -n - 3*c - 7, 0 = 2*n - 0*c + 4*c + 10 for n.

-1