Answer:
[tex]x=-2[/tex] or [tex]x=2[/tex]
Step-by-step explanation:
we have
[tex]\left|-2x\right|=4[/tex]
Find the first solution (positive case)
[tex]+(-2x)=4[/tex]
[tex]-2x=4[/tex]
[tex]x=-2[/tex]
Find the second solution (negative case)
[tex]-(-2x)=4[/tex]
[tex]2x=4[/tex]
[tex]x=2[/tex]
