Solve 5*c + 4*y = 7*c - 14, -2*c = -3*y - 13 for c.

5

Solve -a = 4*a + 4*p - 37, 0 = 3*a - 3*p - 6 for a.

5

Solve -s - 5 = 5*l, 4*s - 8*s = -4*l + 20 for l.

0

Solve -n - 113*f - 9 = -110*f, 5*f = -15 for n.

0

Solve -3*t + 4*r + 11 + 7 = 0, -t + r = -5 for t.

2

Solve 3*c = 4*q + 19, 21*c - 25*c = 12 for q.

-7

Solve -2*z - 2*d - 13 = -1, -3*z - 4 = -4*d for z.

-4

Solve 2*y + 0*y - s = 2, -14 = -3*y - 4*s for y.

2

Solve 0 = 3*k + 5*y + 18, k - 2*k = 3*y + 10 for k.

-1

Solve -18 = -r - 5*q + q, 2*r - 5*q = -16 for r.

2