Solve 3*t = 5*s + 13, 5*t = -s + 4*s + 11 for t.

1

Solve 5*b - 4*x + 8*x - 4 = 0, 2*x = -2*b + 2 for b.

0

Solve -13 = -4*l - q, 4*q = -5*l + 6 + 13 for l.

3

Solve -u + 5*u - 5*r = 37, -4*u - 4*r = 8 for u.

3

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

0

Solve -4 = 2*c - 5*r, -2*c - 6 = 4*r - 2 for c.

-2

Solve 3*r - 22 = -q + 3*q, 3*q = -15 for r.

4

Solve -4*y + y = -2*m - 5, -5*m - 21 = y for m.

-4

Solve 0 = -n, 0*o + 2*n - 4 = -o for o.

4

Solve 7 = -2*x + 3*d + 3, 0 = 4*x + 5*d - 36 for x.

4