Solve 0 = 2*s - 19*x + 16*x + 9, -3*s + x + 4 = 0 for s.

3

Solve -3*o - 2*t - 33 = t, -3*o - 4*t = 36 for o.

-8

Solve 4*f = i - 0*f - 23, 0 = f + 5 for i.

3

Solve 3*n + 2*a - 11 = 0, -16*n - 11 = -17*n + 3*a for n.

5

Solve -3*z = r - 13, 7*r + 16 = 2*z + 4*r for z.

5

Solve -2 = -l, l - 3*l = a - 6 for a.

2

Solve 7*y = -4*x - 15, -45 = -5*x + 2*y - 10 for x.

5

Solve -3*d = -3, -14 = 3*y + 2*d - 4*d for y.

-4

Solve 4*s - 14 = h - 3*h, -3*s + 2*h = -7 for s.

3

Solve -5*f + 7*b - 8*b + 23 = 0, 4*f + 2*b = 16 for f.

5