Mình đang cần gấp
($\frac{3}{2}$ – $\frac{5}{11}$ – $\frac{3}{13}$) (2x – 2) = ($\frac{-3}{4}$ + $\frac{5}{22}$ + $\frac{3}{26}$)
Mình đang cần gấp
($\frac{3}{2}$ – $\frac{5}{11}$ – $\frac{3}{13}$) (2x – 2) = ($\frac{-3}{4}$ + $\frac{5}{22}$ + $\frac{3}{26}$)
`(3/2 – 5/11 – 3/13 )(2x-2)=(-3/4+ 5/22 + 3/26)`
`233/286*(2x-2)=-233/572`
`2x-2=-233/572÷233/286`
`2x-2=-1/2`
`2x=-1/2+2`
`2x=3/2`
`x=3/2÷2`
`x=3/4`
Giải thích các bước giải:
`(3/2-5/11-3/13)(2x-2)=(-3/4+5/22+3/26)`
`<=>233/286(2x-2)=-233/572`
`<=>2x-2=-1/2`
`<=>2x=3/2`
`<=>x=3/4`
Vậy `x=3/4`