Question

помогите пожалуйста

Answer 1

1) 6х - 3/7х = 42/7х - 3/7х = 39/7х = 5 4/7х
2) 5/8у - у = 5/8у - 8/8у = - 3/8у
3) 2/5х + х = 2/5х + 5/5х = 7/5х = 1 2/5х
4) 7,5у - 7у = 0,5у
5) 1/8х + 3/8х - 1/2х = 4/8х - 1/2х = 1/2х - 1/2х = 0
6) 4/9у + 5/9у - 1/3у = 9/9у - 1/3у = у - 1/3у = 3/3у - 1/3у = 2/3у