Solve 0*o = 2*o - 5*l, 3*l + 21 = -3*o for o.

-5

Solve -3*f = 2*f - 3*t - 31, -5*f = t - 23 for f.

5

Solve v = 4*i + 28, -42*v - 21 = 3*i - 43*v for i.

-7

Solve 28 = 12*i - z, 0 = i + 4*z + 5 + 9 for i.

2

Solve -7*a + 24 = -2*k - 11*a, -3*k - 24 = 3*a for k.

-4

Solve 0*k = -3*k + 2*m + 2, 2*k = 2*m + 2 for k.

0

Solve 23 = -3*l + 5*u, l - 11 + 28 = 4*u for l.

-1

Solve -3*z - 2 + 6 = -5*h, 5*h + 5*z - 20 = 0 for h.

1

Solve 3*w + 8 = y, 0 = 82*y - 85*y + 3*w + 12 for y.

2

Solve 5*h = -5*q + 30, -3*h = -4*q + 17 - 0 for h.

1