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Mihaelazaicik123
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rezolvati in multimea numerelor rationale ecuatia

Rezolvati In Multimea Numerelor Rationale Ecuatia class=

Răspuns :

EagleEyes
-0,6x- 2 intregi 1/5 = -4,48 

2 intregi 1/5 = (2*5+1)/5 = (10+1)/5 = 11/5 

-0,6x - 11/5 = -4,48 
-0,6x = -4,48 + 11/5
-0,6x = -112/25 + 11/5
-0,6x = -57/25

-0,6 = 3/5 

=) x = 57/25 : 3/5 
x = 19/5 

V: -0,6 * 19/5 - 2 intregi 1/5 =
= -3/5 * 19/5 - 11/5 =
= -57/25 - 11/5 = -112/25 = -4,48 ( A ) 

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