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ex 22 pls repede,dau coroana+inima+ma abonez​

Ex 22 Pls Repededau Coroanainimama Abonez class=

Răspuns :

Răspuns:

[tex] \frac{7}{5} - ( \frac{8 - 5x}{5} ) = \frac{2}{5} \\ \frac{7 - 8 + 5x}{5} = \frac{2}{5} \\ 5x - 1 = 2 \\ 5x = 3 \\ x = \frac{3}{5} [/tex]