Solve 2*s - r + 3 = 0, 10*r + 5 = -s + 7*r for s.

-2

Solve 0 = 2*u + 5*z + 2, 11*u - 6*u = z - 5 for u.

-1

Solve 0 = 4*b + 4*l + 20, -6*b + 8*b = 3*l - 5 for b.

-4

Solve 3 = 4*x + 5*k - 20, -3*x + 2*k = 0 for x.

2

Solve q = -4*m + 23, -37 + 9 = -q - 5*m for q.

3

Solve -4*x = -2*n - n - 10, x = -4*n + 12 for x.

4

Solve -5*l - 49 + 47 = j, -4*j + 8 = 4*l for l.

-1

Solve 3*y - v + 0*v = 15, 3*v = y - 5 for y.

5

Solve 4*q + 18 = -2*x, q = 3*x - 20 + 12 for q.

-5

Solve 0 = k - 2*m - 6, 4*k - k + 32 = -4*m for k.

-4