Răspuns :
[tex]13 -14x = 6x - 27[/tex]
[tex] - 14x - 6x = - 27 - 13[/tex]
[tex] - 20x = - 40 \: | \div ( - 20)[/tex]
[tex]x = 2[/tex]
[tex] - 14x - 6x = - 27 - 13[/tex]
[tex] - 20x = - 40 \: | \div ( - 20)[/tex]
[tex]x = 2[/tex]