Question

4*у+2*(у+8)=64 спасибо

Answer 1

4y+2y+16=64 
6y=64-16
6y=48
y=8

Answer 2

$4*y+2*(y+8)=64; \ 4y+2y+16=64; \ 6y=64-16; \ 6y=48; \ y=8$