Bài 1 : a, ( 27 – x ) + ( 15 + x ) = x – 24 14/10/2021 Bởi Elliana Bài 1 : a, ( 27 – x ) + ( 15 + x ) = x – 24
Mời bạn xem ạ : (27−x)+(15+x) = x−24 27−x+15+x = x−24 −x+x−x = −24−15−27 −x = −66 ⇒x = 66 Vậy x = 66 Bình luận
`( 27 – x ) + ( 15 + x ) = x – 24``=>27-x+15+x=x-24``=>27+15=x-24``=>42=x-24``=>x=42+24``=>66` Bình luận
Mời bạn xem ạ :
(27−x)+(15+x) = x−24
27−x+15+x = x−24
−x+x−x = −24−15−27
−x = −66
⇒x = 66
Vậy x = 66
`( 27 – x ) + ( 15 + x ) = x – 24`
`=>27-x+15+x=x-24`
`=>27+15=x-24`
`=>42=x-24`
`=>x=42+24`
`=>66`