Question

If a+b+c=8 and x+y=7 what is -8y-2c-2b-8x-2a

Answer 1

-40

Explanation:

Try rearranging and factoring -8y-2c-2b-8x-2a:

This is equal to -8(x + y) -2(a + b + c).

Since x + y = 7, we have:

-8(7) -2(a + b + c)

and since a + b + c = 8, we end up with:

-56 - 2(8), or

-56 - 16 = -40