Solve -4*f - 9 = -5*l - 15, 5*f = 5*l + 5 for f.

-1

Solve 0 = -k - 4*j - 21, 3*k - j - 4*j - 22 = 0 for k.

-1

Solve -8*p + 22 = -4*p - 2*t, 0 = 3*p + 2*t - 6 for p.

4

Solve 5*o + 2*v + 3*v + 20 = 0, 0 = 4*o - 4*v - 16 for o.

0

Solve -2*k + 0*k + 8 = 0, -4*k = -5*y - 6 for y.

2

Solve -5*s = -5*p + 45, 2*s + 23 = p + 2*p for p.

5

Solve 2*r - 17 = 3*z, -3*r - 184 = 3*z - 187 for r.

4

Solve -4*j - 18 = -3*p, -8*j - 12 = -4*j for p.

2

Solve -u - 15 = 3*s, -4*u - s - 2 = 3 for u.

0

Solve 2*h + 684*z = 679*z - 14, -h = 5*z + 17 for h.

3