=> X = \(\dfrac{5}{2}-\dfrac{3}{2}=\dfrac{2}{2}=1\)
`x+3/2=5/2`
`x=5/2-3/2=2/2=1`
__________________________
`3/2xx x+1/3=7/2`
`3/2xx x=7/2-1/3=19/6`
`x=19/6:3/2`
`x=19/6xx2/3=19/9`
__________________________
`x:3/2-4/5=5/6`
`x:3/2=5/6+4/5=49/30`
`x=49/30xx3/2=49/20`
__________________________
`x xx2/5-3/4=7/3`
`x xx2/5=7/3+3/4=37/12`
`x=37/12:2/5`
`x=37/12xx5/2=185/24`
`a)x+3/2=5/2`
`x=5/2-3/2`
`x=2/2=1`
`b)3/2xx x+1/3=7/2`
`3/2xx x=7/2-1/3`
`3/2xx x=19/6`
`x=19/6:3/2`
`x=19/9`
`c)x:3/2-4/5=5/6`
`x:3/2=5/6+4/5`
`x:3/2=49/30`
`x=49/30xx3/2`
`x=49/20`
`x xx2/5-3/4=7/3`
`x xx2/5=7/3+3/4`
`x xx2/5=37/12`
`x=37/12:2/5`
`x=185/24`
`X + 3/2 = 5/2`
`x = 5/2 - 3/2`
`x = 2/2`
`x = 1`
___________________________
` 3/2 xx x + 1/3 = 7/2`
`3/2 xx x = 7/2 - 1/3`
`3/2 xx x = 19/6`
`x = 19/6 : 3/2`
`x = 19/6 xx 2/3`
`x = 19/9`
_________________________
` X : 3/2 - 4/5 = 5/6 `
`x : 3/2 = 5/6 + 4/5`
`x : 3/2 = 49/30`
`x = 49/30 xx 3/2`
`x= 49/20`
________________________________
` X x 2/5 - 3/4 = 7/3`
`x xx 2/5 = 7/3 + 3/4`
`x xx 2/5 = 37/12`
`x = 37/12 : 2/5`
`x = 37/12 xx 5/2`
`x= 185/24`
___________________________________
`#BaoL i nh`