Question

\(2\dfrac{1}{3}\text{×}x+\dfrac{1}{2}\text{×}x-\dfrac{3}{4}=3\)

Giá trị của \(x\) là

Answer 1

`2(1)/(3)xx x+(1)/(2)xx x-(3)/(4)=3`

`x xx(2(1)/(3)+(1)/(2))=3+(3)/(4)`

`x xx((7)/(3)+(1)/(2))=(15)/(4)`

`x xx17/6=(15)/(4)`

`x=(15)/(4):(17)/(6)`

`x=45/34`

Answer 2

\(\dfrac{7}{3}x+\dfrac{1}{2}x=3+\dfrac{3}{4}\\ \left(\dfrac{7}{3}+\dfrac{1}{2}\right)x=\dfrac{12+3}{4}\\ \left(\dfrac{14+3}{6}\right)x=\dfrac{15}{4}\\ \dfrac{17}{6}x=\dfrac{15}{4}\\ x=\dfrac{15}{4}:\dfrac{17}{6}\\ x=\dfrac{45}{34}\)

Answer 3

`2 1/3 xx x + 1/2 xx x - 3/4=3`

`=> 7/3 xx x + 1/2 xx x - 3/4=3`

`=> (7/3 + 1/2)xx x -3/4=3`

`=> 17/6 xx x = 3+3/4`

`=> 17/6 xx x =  15/4`

`=>x=15/4 : 17/6`

`=>x=15/4 xx 6/17`

`=>x= 45/34`