Solve 5*i = 2*k - 1, 0 = 5*k - i + 3 + 6 for k.

-2

Solve 0 = -j - v + 8, 5*j + 70*v = 67*v + 34 for j.

5

Solve 0 = -2*m + 4*c, 2*m - 96 = -c - 96 for m.

0

Solve 3*p + 5 = 2*d, -41*d = -40*d - 4*p for d.

4

Solve -50 = 3*b - 5*i - 49, -4*i = -b - 5 for b.

3

Solve 2*x = -4*u + 6, -40*x + 5 = -35*x for u.

1

Solve 4*w + 20 - 12 = 4*s, 0 = w - 5*s + 10 for w.

0

Solve -z - 5*m = 19, -4*m = 2*z + m + 18 for z.

1

Solve -2*l + 7*l = 3*j - 37, l + 25 = 5*j for j.

4

Solve -3*i = a - 6, 3*i = a + a + 15 for i.

3