Question

-3(0,2x+0,4y)+(1,6x+2,5y)*2

Answer 1

-3(0,2x+0,4y)+(1,6x+2,5y)*2=
=-0.6х-1,2у+3,2х+5у= 2,6х+3,8у

Answer 2

-3(0,2+0,4у)+(1,6х+2,5у)*2
-0,6-1,2у+3,2х+5у
-0,6 +3,8у+3,2х