Solve -4*c - 25 = -3*s, -5*c - 50*s = -55*s + 40 for c.

-1

Solve k - 4*p + 19 = 39, 0 = -k + 3*p + 16 for k.

4

Solve b - 10 = 3*i, -2*i = -i + 5*b + 14 for i.

-4

Solve -c = 0, i + 4*i - 4*c = 15 for i.

3

Solve 3*r - 4*t - 1 = 0, -2*r - 12*t = -9*t + 5 for r.

-1

Solve 4 = y - v + 2, 0 = -4*y + 3*v + 6 for y.

0

Solve 5*y + 4*r = -29, 16*r + 28 = -5*y + 13*r for y.

-5

Solve 4*f = -4*d + 10 - 6, 5*f = -2*d - 4 for f.

-2

Solve 4*u = -2*l - 18, -4*l - 9 + 3 = 2*u for u.

-5

Solve -5*u + 2*n = -1, -2*u + 11 = -5*n - 2 for u.

-1