Solve -2*r + 2 + 3 = -5*s, r - 1 = 4*s for r.

5

Solve 7 = 5*l - 3*a, -2*a = 8*l - 7*l - 4 for l.

2

Solve 3*w + 3*q = -9, -5*w = 3*q - 83 + 90 for w.

1

Solve -13*x + 11*x - 14 = 2*v, -v - 5*x - 23 = 0 for v.

-3

Solve 14*c = 9*c - 2*r + 2, -2*c = 5*r + 16 for c.

2

Solve 2*x + r + 6 = 0, -24 + 10 = 2*x - 3*r for x.

-4

Solve -21 = -4*s - c, s + 3*c = -4*s + 28 for s.

5

Solve 0 = -2*w - 3*k + 2, -4*w - 14 + 8 = k for w.

-2

Solve 5*p = 4*x - 25, 2 + 23 = -5*p + 3*x for p.

-5

Solve -2*q = 4*w + 10, 4*q - 7*q - 2*w - 15 = 0 for q.

-5