Solve o + 12 = 5*j, -4*o - 5*j + 0*j = -27 for o.

3

Solve -v = -3*b + 19, v = 5*b - 7*b + 6 for b.

5

Solve -4*m - 2*r = m - 4, 4*m - r = -2 for m.

0

Solve 2*i + 6 = -4*r, 6*r - r = -5*i + 5 for i.

5

Solve -3*q + 4*j + 15 = 7*j, 4*j - 11 = 5*q for q.

1

Solve 19 = -5*n - a, 0 = -4*n - 8*a + 3*a - 11 for n.

-4

Solve 3*u + y = -2 + 10, -y + 9 = 4*u for u.

1

Solve -3*j + l = -3*l + 15, -j = l - 2 for j.

-1

Solve -4*i - 4*f = 4, 94*i = 98*i + 5*f + 8 for i.

3

Solve -6*y + 2*y - 16 = -2*t, 5*y = t - 11 for y.

-1