2 1/7x - 3 9/14x+x=3 решите плиз оч нужно

Question

2 1/7x - 3 9/14x+x=3 решите плиз оч нужно

Answer 1

2 1/7x - 3 9/14x+x=3

30/14х-51/14х+х=3

-3/2х+х=3

-1 1/2х+х=3

-1/2х=3

х=3:(-1/2)

х=-6

Answer 2

2 1/7x - 3 9/14x+x=3

2 1/7x+х-3 9/14х=3

3 1/7х-3 9/14=3

-0,5х=3

х=-6