Solve -2*n = 5*c - 25, -2*n - 21*c + 17*c + 22 = 0 for n.

5

Solve 0 = 4*u - 4*z - 4, -5*u = -0*u - z - 13 for u.

3

Solve -5*s - 4*j + 5 = 0, 19*s = 24*s - 2*j - 35 for s.

5

Solve 3*a + 40 = 5*c, -8*a + 5 = -2*c - 11*a for c.

5

Solve 4*z + 5*x = -17, 0*x + 1 = -z + 2*x for z.

-3

Solve -4*i - 2*w = -6, -24*i + 25*i = -w for i.

3

Solve 0 = -3*f - 2*o - 7, 0 = 4*f - 8*o + 5*o + 15 for f.

-3

Solve -2*b - 5 = 3*r, -8*b - 4*r = -5*b + 8 for b.

-4

Solve r + 3*r + 7 = -3*c, c - 15 = 3*r for c.

3

Solve 4*f = 2*o + 16, -5*f + 8 = -3*o - 12 for o.

0