[tex]\displaystyle\bf\\3x-4=x+2(x-2)\\\\3x-4=x+2x-4\\\\3x-4=3x-4\\\\\textbf{Este o egalitate adevarata pentru orice}~~x\in R \\\\Ecuatia~are~o~infinitate~de~solutii~reale.\\\\x\in(-\infty,~+\infty)[/tex]