Question

x-1.7x=2.3

​

Answer 1

x-1.7x=2.3

<=>x-7x=6

<=>-6x=6

<=>x=-1

vậy x=-1

k mk nha bạn

Answer 2

X - 1 . 7X = 2.3

X - 1 . 7X = 6 

X - 7X = 6

-6X = 6 

X = 6  : - 6 

=> X = -1

-6X