`2 - |3/2x - 1/4| = |-5/4|`
`⇔ 2 - |3/2x - 1/4| = 5/4`
`⇔ -|3/2x - 1/4| = 5/4 - 2`
`⇔ -|3/2x - 1/4| = 5/4 - 8/4`
`⇔ -|3/2x - 1/4| = -3/4`
`⇔ |3/2x - 1/4| = (-3/4)/(-1)`
`⇔ |3/2x - 1/4| = (-3)/(-4)`
`⇔ |3/2x - 1/4| = 3/4`
`⇔` \(\left[ \begin{array}{l}{ \dfrac{3}{2}}x - { \dfrac{1}{4}} = { \dfrac{3}{4}}\\{ \dfrac{3}{2}}x - { \dfrac{1}{4}} = -{ \dfrac{3}{4}}\end{array} \right.\)
`⇔` \(\left[ \begin{array}{l}{ \dfrac{3}{2}}x = 1\\{ \dfrac{3}{2}}x = -{ \dfrac{1}{2}}\end{array} \right.\)
`⇔` \(\left[ \begin{array}{l}x={ \dfrac{2}{3}}\\x=-{ \dfrac{1}{3}}\end{array} \right.\)
Cho mình xin hay nhất nha bạn!!!!
@Drew Mclntyre
