Solve -5*r = -4*z - 17, -4*r + 3*z - 4*z = -22 for r.

5

Solve 2*y = 3*x + y - 4, 2*x = -5*y + 31 for x.

3

Solve -2*i = -2*n + 3*n, -22 = -3*n + 5*i for n.

4

Solve -2*p - i = -3, 5*p + i - 3 = 6*p for p.

0

Solve -2*a - 4*l = 8, 307*l - 311*l = -2*a for a.

-2

Solve 5*a + 16 = -4*p, 2*p - 12 = -4*a + 5*p for a.

0

Solve -2*q + 2 = f, -23*f = -26*f - 3*q for f.

-2

Solve r + 6 = -4*x, 5*r + 9*x - 13*x - 42 = 0 for r.

6

Solve 39 = -3*c + 5*z, 4*c + 4*z + 5 - 17 = 0 for c.

-3

Solve 2*c - 5*l = 25, -16*l = -5*c - 18*l - 10 for c.

0