Solve 0*u - 10 = -4*j - 2*u, -2*j + u = -15 for j.

5

Solve 5*j - 2*s - 2 = -s, 2*j - 2*s - 4 = 0 for j.

0

Solve -5*x + 9 = 19, 2*o + 3*x = 4 for o.

5

Solve 4*n - 2*g = 12, 0 = -4*n - 29*g + 27*g + 20 for n.

4

Solve 6 = -i - 2*f, 18 - 5 = -3*i - f for i.

-4

Solve 11*i - 7*i = -5*z + 14, -2*i - z + 10 = 0 for i.

6

Solve -3*c + 8*c + j = 1, -4*j = 4*c + 12 for c.

1

Solve 5*x + 2*t = -14, -4*x + 4*t = x + 2 for x.

-2

Solve -2*l - 14 = 5*d - 4*l, -d + l - 7 = 0 for d.

0

Solve -4*i - 3*t - 17 = 0, 86*i + 2*t = 90*i + 2 for i.

-2