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Determina numarul a stains ca a+3 supra27-12supra 27=10supra27

Determina Numarul A Stains Ca A3 Supra2712supra 2710supra27 class=

Răspuns :

[tex] \frac{x + 3}{27} - \frac{12}{27} = \frac{10}{27} [/tex]

[tex] \frac{x + 3 - 12}{27} = \frac{10}{27} [/tex]

[tex] \frac{x - 9}{27} = \frac{10}{27} [/tex]

[tex]x - 9 = 10[/tex]

[tex]x = 10 + 9 = 19[/tex]