Solve 4*i - 23 = 3*r, -5*r + 7*i = 10*i + 19 for r.

-5

Solve 4*k + 5*l + 32 = 0, 0 = -5*k + 2*l + 28 - 35 for k.

-3

Solve 5*h - 2*n - 15 = 0, -26 = -h - 5*n + 4 for h.

5

Solve 5 + 9 = 4*s + o, -5*o = 10 for s.

4

Solve 0*g + 5*r = 3*g + 4, 2*g = -5*r + 14 for g.

2

Solve 3*z = 9, 5*b + 2*z - 9 = -z for b.

0

Solve 3*k + 12 + 10 = 2*l, -3*k - 2*l - 2 = 0 for k.

-4

Solve -4*v = r - 17, -67*v + 71*v + 4*r = 32 for v.

3

Solve 28 = 5*r - 4*k, -4*r + 12*k = 16*k - 8 for r.

4

Solve 18 = -4*o - 2*q + 14, 2 = -4*o - q for o.

0