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a fost răspuns

3xsupra2-5 supra7 = 2supra7 -x supra 2

Răspuns :

Matematician1234
[tex] \frac{3x}{2}- \frac{5}{7}= \frac{2}{7}- \frac{x}{2} \\ \frac{3x}{2}+ \frac{x}{2}= \frac{2}{7}+ \frac{5}{7} \\ \frac{4x}{2}=1 \\ 4x=2 \\ \boxed{x= \frac{1}{2}} [/tex]

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