Question

Answer 1

tách nhỏ câu hỏi ra nhé

Answer 2

a: =>1/6-3x=1/3-7/4=-17/12

=>3x=19/12

hay x=19/36

b: =>5/4:x=3/4-5/12=9/12-5/12=4/12=1/3

=>x=5/4:1/3=5/4x3=15/4

c: \(\Leftrightarrow\dfrac{-7}{2}:x=\dfrac{1}{3}+2=\dfrac{7}{3}\)

\(\Leftrightarrow x=\dfrac{-7}{2}:\dfrac{7}{3}=\dfrac{-7}{2}\cdot\dfrac{3}{7}=\dfrac{-3}{2}\)

d: =>|x-3|=7/8-3/4=1/8

=>x-3=1/8 hoặc x-3=-1/8

=>x=25/8 hoặc x=23/8

e: =>5x-2x-1=8

=>3x-1=8

=>3x=9

hay x=3

f: =(x+2)²=36

=>x+2=6 hoặc x+2=-6

=>x=4 hoặc x=-8