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daca 2 supra x = 6 supra 15 atunci x =

Răspuns :

[tex] \frac{2}{x} [/tex] = [tex] \frac{6}{15} [/tex]
x = [tex] \frac{15 * 2}{6} [/tex] = [tex] \frac{30}{6} [/tex] = 5.
2/x=6/15
⇒6x=2·15
⇒6x=30
⇒x=30/6
⇒x=5;