Solve -2*b = -3*r + 9 + 7, -3*r + 14 = -b for r.

4

Solve -2*p = 5*w + 3, 227*p - 5*w = 223*p + 39 for p.

6

Solve 5*a = -2*y + 47, -203*a - 39 = -3*y - 207*a for y.

1

Solve 45 = 2*w + 3*p + 50, w = p for w.

-1

Solve 4*l + 8 = 0, -2*a - 5*l = -4 + 6 for a.

4

Solve -2*x - 20 = 5*z, 4*x + 2*z = z - 22 for x.

-5

Solve -4*v + 15 = -3*l, 8*l - 4*v = 3*l - 17 for l.

-1

Solve f + a = 0, -3*f - a - 80 + 74 = 0 for f.

-3

Solve -2*y - 4*p = 0, -7*p = -5*p for y.

0

Solve -2*r + 8 = -4*r, -5*k + 4*r + 41 = 0 for k.

5