Solve 2*i = 7*i, 2*v = 2*i + 6 for v.

3

Solve 5*d - 5 = -5*x, 5*x - 2*d = 2*x - 17 for x.

-3

Solve 4*a = -5*u - 6, -u + 3*a - 2*a = 3 for u.

-2

Solve 10*c - 26 = -4*l + 12*c, 5*c + 30 = 3*l for l.

5

Solve -3*h + w - 27 + 38 = 0, -2*h = -4*w + 6 for h.

5

Solve -16 = 2*r - 14, -4*m = r - 7 for m.

2

Solve 4*c + 5*i = -15, c - 3*i - 6 = 3 for c.

0

Solve s = -5*r - 11, 3*s = -5*r + 6*r + 15 for s.

4

Solve 0 = 5*s - 5*d + 5, 5*d = -2*s - 0 - 2 for s.

-1

Solve 14 = q - 3*d, -6*q + 7*q + 3*d + 4 = 0 for q.

5