Solve 4*l - 36 = 4*f, 0 = 4*l + f - 2 - 9 for l.

4

Solve -42*l + 3 = -45*l + 3*o, l - 14 = -2*o for l.

4

Solve 7*n - 8*n + 9 = 2*h, 3*h - 5*n = 7 for h.

4

Solve 4*u + i - 22 = 0, 5*u + 57*i = 60*i + 19 for u.

5

Solve 4*h + 13 = 5*r, 2*h - 21 = r - 4*r for r.

5

Solve -4*b - 5*k - 10 = 0, -5*k = -3*b - 2*k + 6 for b.

0

Solve 8 + 7 = -3*g, -5*z + 4*g = -30 for z.

2

Solve -12 = -2*j - 4*c, 0*c - 13 = 2*j - c for j.

-4

Solve -3*g + 2*k + 20 = g, -4*k - 1 = 5*g for g.

3

Solve 0 = 7*v - 2*v - 5*n, -3*n - 1 = -2*v for v.

-1