Solve 4*s + 24*r - 25*r = -15, 3*s - 4*r = 5 for s.

-5

Solve -v + 3*v = 4*x, 3*v - 8 = 2*x for v.

4

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

3

Solve 0 = 3*x + a + 17, -5*x - 14*a = -11*a + 35 for x.

-4

Solve 5*h = -2*u + 23, 6*u + 1 = 5*u for h.

5

Solve 5*r = -4*z + 5, -2*z = 12*r - 10*r - 4 for z.

5

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

-1

Solve -q + 314*b = 309*b - 10, -3*q + 4*b + 19 = 0 for q.

5

Solve 0 = 3*x - 5*c - 22, 37*x - 35*x - 5*c = 23 for x.

-1

Solve l + 3*v + 4 = 2, 0 = 4*l + 4*v + 8 for l.

-2