Solve 4*c + 5*p = -13 - 9, c + 5*p = 2 for c.

-8

Solve 3*n = -4*f - 40, 35*f + 2*n = 40*f + 27 for f.

-7

Solve -2*y - 18*a = -17*a + 5, 15 = -y - 3*a for y.

0

Solve -2*u + 19*y - 4 = 21*y, 4*y = -2*u for u.

-4

Solve 7*n - 23 = -5*g + 4*n, -16 = -3*g - 4*n for g.

4

Solve 15*z = -5*f + 10*z - 20, 5*f + 28 = -z for f.

-6

Solve 0*z + 8 = 2*z - 4*s, 0 = z - s - 1 for z.

-2

Solve 4*f - 3*r + 9 = -0*r, 2*f = r - 5 for f.

-3

Solve 3*d + 5 = 8*d, 0 = r + d + 3 for r.

-4

Solve 0 = -t + 5*n + 7 - 2, -t - 2*n - 9 = 0 for t.

-5