Solve -386*a = -389*a - 2*l - 13, 0 = -5*a + 5*l - 5 for a.

-3

Solve -5*a + y = -9 + 21, -a - 2*y = -2 for a.

-2

Solve 5*a + 2*o = 6, -3*o + 9 = -12*a + 17*a for a.

0

Solve 0 = -5*o - 0*o + 3*v - 9, 0 = 2*v + 4 for o.

-3

Solve 4*o + 2 = -t, -9*o + 4*o + 6 = -3*t for o.

0

Solve p - k = 9, 3*p + 7*k + 8 = 3*k for p.

4

Solve 0 = -b - 3*c + 8, -c + 22 = b + 20 for b.

-1

Solve 100*u - 105*u - 3*i - 47 = 0, 3*u = 5*i - 1 for u.

-7

Solve -5*g + 15 = 5*y, g + 2*g - 5*y = -15 for g.

0

Solve 4*h - q = -5*q + 16, -5*h - q = -20 for h.

4