Question

Помогите
Выразите у через х
0.8х+2/3у=8

Answer 1

$0,8x+ frac{2}{3y}=8\ frac{2}{3y}=8-0,8x\ frac{1}{3y}=4-0,4x\ frac{1}{4-0,4x} =3y\ y=frac{1}{12-1,2x}$