Solve 0 = k + 57*z - 55*z - 13, 5*z = 5*k + 10 for k.

3

Solve -3*f = -5*n + 14, 2*f - 4*f + 4*n = 12 for f.

2

Solve 0 = -4*f + 76 - 56, -5*o + 3*f = -5 for o.

4

Solve 3*a + 6 = -3*z, 8*z = a + 6*z - 1 for a.

-1

Solve -4*u + 8 = -4*q, 4*u + 58 - 21 = -5*q for q.

-5

Solve 3*v + 4 = -2*b - 10, 0 = -2*v - 12 for b.

2

Solve -3*i - 5*y + 21 = 0, 26*i - 2*y = 31*i - 16 for i.

2

Solve -5*y + i = 0, 3*y = 2*y - 5*i - 26 for y.

-1

Solve 2*o + 25 = -5*w + 8*w, 2*o + 5*w = 15 for o.

-5

Solve -5*i - 15 = u - 2*i, -4*i = 20 for u.

0