Toán mn giải hộ với ạ 1/2 × x + 3/5 × (x -2) = 3 02/07/2021 By Sarah mn giải hộ với ạ 1/2 × x + 3/5 × (x -2) = 3
`1/2xx x+2/5xx(x-2)=3` `⇒1/2xx x +3/5xx x -3/5xx2=3` `⇒1/2xx x + 3/5xx x -6/5=3` `=>11/10xx x=3+6/5` `=>11/10xx x=21/5` `=>x=21/5:11/10` `=>x=21/5xx10/11` `=>x=42/11` Vậy `x=42/11.` Trả lời
$#Đáp án+Giải thích các bước giải:$ `1/2x + 3/5(x-2) = 3` `=>1/2x + 3/5x -3/5*2 = 3` `=>1/2x + 3/5x – 6/5 =3` `=>1/2x + 3/5x = 3 + 6/5` `=>(1/2+3/5)x=21/5` `=>11/10x=21/5` `=>x = 21/5:11/10` `=> x = 42/11` Vậy `x =42/11` ——————————————- Trả lời
`1/2xx x+2/5xx(x-2)=3`
`⇒1/2xx x +3/5xx x -3/5xx2=3`
`⇒1/2xx x + 3/5xx x -6/5=3`
`=>11/10xx x=3+6/5`
`=>11/10xx x=21/5`
`=>x=21/5:11/10`
`=>x=21/5xx10/11`
`=>x=42/11`
Vậy `x=42/11.`
$#Đáp án+Giải thích các bước giải:$
`1/2x + 3/5(x-2) = 3`
`=>1/2x + 3/5x -3/5*2 = 3`
`=>1/2x + 3/5x – 6/5 =3`
`=>1/2x + 3/5x = 3 + 6/5`
`=>(1/2+3/5)x=21/5`
`=>11/10x=21/5`
`=>x = 21/5:11/10`
`=> x = 42/11`
Vậy `x =42/11`
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