Solve y + 4 = 0, 7 - 10 = -z + 2*y for z.

-5

Solve -26 = -f + 4*q, -40*f + 39*f - 28 = 5*q for f.

2

Solve -5*i - 4*p = 10, 4*i + 8 = -8*p + 10*p for i.

-2

Solve -4*d - 2 = -2*q, 0 = -q + 3*d - 3 + 4 for q.

1

Solve 3 = 2*z + f, 0*f - 15 = -4*z + f for z.

3

Solve 2*x - 1 = -3*y, -2*x + 5*x = -3*y + 3 for y.

-1

Solve -2*v + 10 = 4*l, -20 = -4*v + 5*l - l for v.

5

Solve -5*r + 3*x = -2, 5*r + 100*x + 6 = 101*x for r.

-2

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

2

Solve 0*l - 4*l - 5*x = -13, -5*x + 11 = 3*l for l.

2