Solve -2*n = 2*n, 5*x - 20 = 2*n for x.

4

Solve 0 = w + 2*s - 3, 2*w - 4*w = 3*s - 4 for w.

-1

Solve -2*d - 7 = 5*z, 0 = d + 2*z - 3 + 5 for d.

4

Solve -4*j + 3*z = -2*z - 35, 5*j - 5*z - 40 = 0 for j.

5

Solve f + 5*j = 0, 5*f - 29 = 2*j + 2*j for f.

5

Solve -6 = 2*j - 4*j, -3*j = -4*r + 11 for r.

5

Solve 3*n - 4*n - 9 = -4*f, 0 = 2*f - n - 5 for f.

2

Solve 0 = -5*n + 10, 3*n - 7 = 4*t - 9 for t.

2

Solve 0 = -5*l + 5*o + 15, 2*l + 16*o - 11*o = -1 for l.

2

Solve 0 = -p - 4*o - 20 + 5, 5 = 2*p + o for p.

5