Solve -16 = a + 5*t + 7, 9 = a - 3*t for a.

-3

Solve 2*v = y + 2 + 1, 18 = 4*y + 2*v for y.

3

Solve -9 = 4*c - 7*c, 0 = -5*s + 2*c + 14 for s.

4

Solve -7 = -3*o - 4*q, 4*q - 16 = -0 for o.

-3

Solve 0 = 3*k - k - 4*b + 8, 4*k = -3*b + 28 for k.

4

Solve 2*c - 4*c = 2*d, 15 = 2*d - c for d.

5

Solve 0*z = -z - 3*d - 1, -2*z - 5*d - 2 = 0 for z.

-1

Solve 4*g + 4*z - z = 12, -12 = 3*g - 3*z for g.

0

Solve -5*d - p - 3 = -10*d, 3*p = 4*d - 9 for d.

0

Solve 2*b + 3*b + 4*p - 5 = 0, -2*b = 4*p - 14 for b.

-3