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

-5

Solve -3*g = -4*g - 3*i - 13, 4*i = -3*g - 14 for g.

2

Solve -3*y + w = 6*w + 6, 9 = 4*y + w for y.

3

Solve 2*a + 3*a + 4*v + 16 = 0, 20 = -4*a - 5*v for a.

0

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

1

Solve -3*r = -4*d + 3*d + 3, -2*d + 2 = -2*r for d.

0

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

4

Solve 0 = -5*k - o, 3*k + 6 = 5*o - 22 for k.

-1

Solve 2*i - 2*o + 3*o = -7, -2*o = 3*i + 9 for i.

-5

Solve -11*i = -14*k + 13*k + 38, k - 5*i = 20 for k.

5