Solve -u + 4 = 0, 13 = -a - 4*a - 3*u for a.

-5

Solve -32 = 4*i - 0*w + 5*w, -2*w - 2 = -2*i for i.

-3

Solve -14 - 10 = -2*m - 4*j, -28 = -5*m - 2*j for m.

4

Solve 5*q + 0 = -4*a - 4, 5*q - 2 = 2*a for q.

0

Solve 2*l + 19*p + 18 = 23*p, p = 3 for l.

-3

Solve k + 13 = 3*z, 0*k - z + 19 = -4*k for k.

-4

Solve 10*u = 2*p + 5*u + 6, -4*p = 5*u - 18 for p.

2

Solve 0 = -4*k - 3*c + 1 + 16, 0 = -2*k + 4*c - 8 for k.

2

Solve 5*r + 25 = -5*d, 4*d + 1 + 22 = -5*r for d.

-2

Solve -16 = -4*a - 31*f + 26*f, 4*a - 3*f + 16 = 0 for a.

-1