Question

-x + 3,57x - 5,12x = 15,3

Answer 1

`-x + 3,57x - 5,12x = 15,3`

`=>-1x + 3,57x - 5,12x = 15,3`

`=> (-1 + 3,57- 5,12)x=15,3`

`=> -2,55x=15,3`

`=> x= 15,3 : (-2,55)`

`=>x= -6`

 

Answer 2

=>-2,55x=15,3

=>x=-6