Solve -f = 3*z, -f + 5 = -3*z - 1 for z.

-1

Solve -2*z - 15 = -5*u, -3*u - 10*z = -15*z - 28 for u.

1

Solve 5*u - 2*p = -21, -5*u + 2 = p + 14 for u.

-3

Solve -4*n + 5*r + 19 = 0, 0*n - n - 4*r + 10 = 0 for n.

6

Solve 1 = 2*h + b, 5*h = 51*b - 50*b - 15 for h.

-2

Solve -g = -o - 3*g - 7, 0 = -4*o - 2*g - 22 for o.

-5

Solve 5*u - 2*z = 0, -3 = -2*u + 3*u - z for u.

2

Solve -2*l - 3*v = -1 - 6, -l = 5*v - 21 for l.

-4

Solve 3*w - 2 = 4*w - 5*c, -5*w + c = -14 for w.

3

Solve 2*t = 5*v - 1 - 9, 5*t + v + 25 = 0 for t.

-5