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X+ 3 supra 8 = 7 supra 8. Imi spuneti cum pot afla x-ul?

Răspuns :

X+[tex] \frac{3}{8} = \frac{7}{8} [/tex]

X = [tex] \frac{7}{8} [/tex] - [tex] \frac{3}{8} [/tex]

X=[tex] \frac{4}{8} [/tex]

X=[tex] \frac{1}{2} [/tex]