Solve -v = -j + 7, -66*v + 69*v + 26 = 4*j for v.

-2

Solve -3*l - 2*u = 8, 4*l - 2*l = 3*u + 12 for l.

0

Solve -4*c - u + 6 = 0, 5*c - 4*u - 10 = 4*c for c.

2

Solve 3*j - 5*m = 11, -12*j + 12 = -8*j - 4*m for j.

2

Solve -1 = -4*j - d, 0 = -2*j - 3*d - 7 for j.

1

Solve -2*d = m - 1, -15 = -5*d + 2*m + 10 for d.

3

Solve 5*w - 45 = 5*x, -18*w + 14*w + 4 = 4*x for w.

5

Solve 5*v + 3*u + 0*u = -17, 2*v + 4*u + 18 = 0 for v.

-1

Solve 4*p - f = 0, -2*f - 12 = 4*p - 0*f for p.

-1

Solve 5*i - 6*i + 3*c = 9, 5*c - 20 = 0 for i.

3