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Помогите решить уравнение, желательно подробно.

[tex]x+(x+12)+ \frac{5}{7}(x+x+12)=144[/tex]

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red321 $x+(x+12)+\frac{5}{7}(x+x+12)=144\\2x+12+\frac{5}{7}(2x+12)=144\ \ \ \ \ \ \ |*7\\7*2x+7*12+7*\frac{5}{7}(2x+12)=144*7\\12x+84+5(2x+12)=1008\\12x+84+10x+60=1008\\12x+10x=1008-84-60\\24x=864\\x=\frac{864}{24}\\x=36$

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politicheskaya lirika pushkina chto mozhno rasskazat kakie stihotvoreniya mozhno vne

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kakoe kolichestvo teploty neobhodimo zatratit dlya plavleniya 20 kg alyuminiya pri t1f9ce2e061e1fe7169b7cc3e5bdd83f1 47657

upotreblyaetsya li artikl the s takimi slovami kak northern ireland i washington

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