Respuesta :

Americ
4(0.5x + 2.5y - 0.7y - 1.3y + 4)
multiply 4 by all in parentheses

(4*0.5x)+(4*2.5y)+(4*-7y)+(4*-1.3y)+(4*4
=2x+10y-28y-5.2y+16

combine like terms
=2x-23.2y+16

ANSWER:
Expression simplified 2x-23.2y+16

Hope this helps! :)