Solve 0 = -4*q - 2*a + 8, 2*q - 3 - 7 = 2*a for q.

3

Solve 0 = w - 3, u - 3*w + 19 = 10 for u.

0

Solve 5*y = 10, 2*y = -31*d + 26*d + 14 for d.

2

Solve 3*k - 2*k - 15 = -4*u, 2*u + 5*k - 21 = 0 for u.

3

Solve 3*g - 4*m = g - 30, 0 = -4*g - 3*m - 5 for g.

-5

Solve -25 = 5*c, c + 7 = -4*z + 2 for z.

0

Solve 3*t + 3 = -0, 2*k - 1 = t for k.

0

Solve 5 = 5*c + 4*a, -4*a - a = 3*c - 3 for c.

1

Solve -5 = -4*a + 5*f, -2*a + 10*f = 15*f - 25 for a.

5

Solve 2*z + 12 = -w, w + 4*z - 5 + 25 = 0 for w.

-4