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|2(x-1)+4x|-2|1-x|=3
cine ma poate ajuta


Răspuns :

|2x-2+4x|-2|1-x|=3 =>
|6x-2|-2|1-x|=3 => cazul 1: x>0 => 6x-2-2+x=3=> 7x- 4=3=>7x=7=>x=1
cazul 2: x<0 6x-2-2+x=-3=> 7x=-3+4=> 7x=-1 =>x=-1/7