Respuesta :

Answer:

-5

Explanation:

First, expand.

r + b - 9 × b + g.

If r = 9, b = 5, and g = -6, this would be the answer:

9(r) + 5(b) - 9 = 5

×

5(b) + -6(g) = -1

5 × -1 = -5