Solve 255*s + 3*t + 39 = 258*s, 2*s = -t + 14 for s.

9

Solve 2*o + 5*q - 13 = 0, -32*o - 3*q - 13 = -36*o for o.

4

Solve -3*t - d + 7 = 0, -13 = -7*t + 2*t - d for t.

3

Solve -3*r - 2*h = -1, -11*r + 2*h + 2 = -13*r for r.

3

Solve l + 7 = -d, 5*l = -2*d + 4*d for d.

-5

Solve -2*v - 13 = 3*g, 0 = -5*g + v + v - 27 for g.

-5

Solve -4*a + 649 = 5*u + 676, 2*u + 14 = 0 for a.

2

Solve -2*x + w + 3 = x, 0 = -5*x + 2*w + 6 for x.

0

Solve -20 = 4*n, 8*n - 11*n = -5*x for x.

-3

Solve -2*t + u - 3 = 0, 0 = -2*t + 3*u - 24 + 15 for t.

0