1,2x+2,7x+x+0,1x Помогите!помогите!

Question

1,2x+2,7x+x+0,1x
Помогите!помогите!

Answer 1

4х



!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 2

1, 2х + 2, 7х + х + 0, 1х = 3, 9х+1, 1х = 5х