Question

Answer 1

làm cho tui đi mà

Answer 2

tách ra đi r làm cho

Answer 3

a: =>x=3/4-1/4=1/2

b: =>2/5x=3/4-29/60=16/60=8/15

=>x=2/5:8/15=3/4

c: =>2x=-1/3

hay x=-1/6

d: =>x:3/4=2-1/2=3/2

hay x=3/2x3/4=9/8

e: \(\Leftrightarrow\left[{}\begin{matrix}2x-1=5\\2x-1=-5\end{matrix}\right.\Leftrightarrow\left[{}\begin{matrix}x=3\\x=-2\end{matrix}\right.\)

Answer 4

a: =>x=3/4-1/4=1/2

b: =>2/5x=3/4-29/60=16/60=8/15

=>x=2/5:8/15=3/4

c: =>2x=-1/3

hay x=-1/6

d: =>x:3/4=2-1/2=3/2

hay x=3/2x3/4=9/8

e: ⇔[2x−1=52x−1=−5⇔[x=3x=−2