Solve -5*v + 35 = 5*i, -5*v = 2*i - i - 19 for v.

3

Solve 4*d + 2*w - 7 + 9 = 0, -3*w - 11 = 2*d for d.

2

Solve f - 4 = 3*s, -5 = -17*s + 12*s + 4*f for s.

-3

Solve -1 = 2*o - 2*m - 3, 4*o - 5*m = 3 for o.

2

Solve 4*c - 4 = 3*f, 4*c + f = c + 16 for c.

4

Solve 2*a = 3*x + 1, 4*a = 10*x - 7*x + 11 for a.

5

Solve -2*d = -4*b + 16, 4*d + 2*b - 12 = -b for d.

0

Solve 0 = 4*z + s - 14, -2*z + 13*s + 14 = 17*s for z.

3

Solve -3*q + 6 = 5*y, 5 = 2*q + y + 1 for q.

2

Solve 15 = k + 5*i, 8 = -72*i + 76*i for k.

5