Question

упростите выражения -5/7x-1/6y+3/14x-1/4y

Answer 1

-5/7x-1/6y+3/14x-1/4y
-1/2х-5/12у

Answer 2

-57х-16у+314х-14у=(-5*214+314)х-(1*212+1*312)у=-714х-512у=
=-12х-512у

Answer 3

спасибо!