Solve 2*r - 7*r = -4*b - 30, -r = -2*b - 12 for r.

2

Solve 4*s - 24 = -4*i, -7*i + 28 = -2*i + 3*s for i.

5

Solve -5*b - 25 = -5*p, -5*b + p - 1 = -6*b for b.

-2

Solve -2*s - 4 = -2*h, s - 3*h = -0*s - 2 for s.

-2

Solve 0 = 5*c + 5, -a + 3*a = 5*c - 3 for a.

-4

Solve 5*k - 17*q + 14*q + 22 = 0, 0 = -5*k - 2*q - 27 for k.

-5

Solve -k - 5*m - 10 = 0, -3*k + 3*m + 24 = -0 for k.

5

Solve 3*r - 5*q = -23, 2*r - 29 = -4*q - 15 for r.

-1

Solve 2*y - z + 2 = -4*z, z = -2*y - 2 for y.

-1

Solve -5*v + 2*p + 25 = -3, 3*v + 2*p - 4 = 0 for v.

4