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rezolva in r ecuatia: a)1/x=2
b)-2/x=1/3
c)[tex] \\ \sqrt5 /2x=2,5[/tex]


Răspuns :

a. 2x=1, x=1/2
b. -2x3=x, x=-6
c. 5x=√5, x=√5/5
a)1/x=2⇒1=2x⇒x=1/2
b)-2/x=1/3⇒x=-2×3⇒x=-6
c)√5/2x=2.5⇒
√5=2x×2.5⇒
√5=5x⇒=√5/5
sucees