Solve 5*u + 3 = -2*a - 6, -1 = -2*a + 5*u for a.

-2

Solve 5*n + 5*v = -30, -5*v + v - 12 = -2*n for n.

-2

Solve -4*i - 2*t - 20 = 0, -2*i = i - 3*t + 15 for i.

-5

Solve 0 = -d + b - 2, 2*b - 4*b - 8 = 4*d for d.

-2

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

-2

Solve 4*d = -2*x - 12, -2*x = 10*d - 11*d - 13 for d.

-5

Solve -3*w - 3 = 2*o, 2*w + o = 44 - 47 for w.

-3

Solve -6*s - 2*v + 31 = -s, -4*s = -v - 17 for s.

5

Solve 5*n - 6 = -w, 5*w = 2*n + 3*n - 30 for w.

-4

Solve 0 = -2*u - s + 6, -11*s + 3 = u - 6*s for u.

3