Solve 7*n - 2*n = -5*a - 15, 0 = 3*n + 4*a + 7 for n.

-5

Solve 0 = 4*y + f + 1 - 12, 1 = 2*y + 5*f for y.

3

Solve 753*l = 757*l - z + 1, -4*z + 22 = 2*l for l.

1

Solve 5*q + 160 = -2*u + 165, 3*q = -2*u - 1 for q.

3

Solve 4*j - 3*u - 3 = 0, 5*u - 6 = -3*j + 6*u for j.

3

Solve -3*r + d = -4*r + 5, -2*r - 2 = -2*d for r.

2

Solve -m + 3*m = -4, 5*m = -y for y.

10

Solve -5*z - 2*n + 13 = -5, 0 = 2*z - n for z.

2

Solve 0 = 5*c + 25, 2*c + 8 = -3*f + 5*f for f.

-1

Solve 2*f - 12 = 4*y, 5*f + 10 = -3*y - 25 for y.

-5