Question

4|x+50%|-2=0.Giúp mik với;-;

Answer 1

Lời giải:

$4|x+50\text{%}|-2=0$

$4|x+50\text{%}|=2$
$|x+50\text{%}|=\frac{1}{2}$

$\Rightarrow x+50\text{%}=\pm \frac{1}{2}$ 

$\Rightarrow x+\frac{1}{2}=\pm \frac{1}{2}$

$\Rightarrow x=0$ hoặc $x=-1$