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cum se rezolva ecuaţia 2x+7(x+1)+5=18+3x+6

Răspuns :

[tex]2x+7(x+1)+5=18+3x+6\\ 2x+7x+7+5=3x+24\\ 2x+7x-3x=24-7-5\\ 6x=12\\ x=12:6\\ x=2[/tex]
S={2}
2x+7(x+1)+5=18+3x+6<=> 2x+7x+7+5=18+3x+6<=>9x+7+5=18+3x+6<=>9x-3x=18+6-7-5<=>6x=24-7-5<=>6x=17-5<=>6x=12l:6<=>x=2

Sper ca te-am ajutat! ;)