Question

3/4 +2.{9:x-1/2}=2 

làm nhanh hộ mình với mình đang cần gấp

 

Answer 1

`=>2(9:x-1/2)=11/4`

`=>9:x-1/2=11/8`

`=>9:x=7/8`

`=>x=8/63`

Answer 2

`3/4+2.{9:x-1/2}=2`

`2.{9:x-1/2}=2-3/4`

`2.{9:x-1/2}=5/4`

`9:x-1/2=5/4:2`

`9:x-1/2=5/4xx1/2`

`9:x-1/2=5/8`

`9:x=5/8+1/2`

`9:x=9/8`

`x=9:9/8`

`x=9:8/9`

`x=8`