g))) x-1/3=2x ??????


Răspuns :


[tex]\it \dfrac{x-1}{3} =2x \Rightarrow x-1 = 3\cdot2x \Rightarrow x-1=6x \Rightarrow-1=6x-x \Rightarrow \\\;\\ \\\;\\ \Rightarrow -1=5x \Rightarrow 5x=-1 \Rightarrow x= -\dfrac{1}{5}[/tex]