Cum fac asta ca nu stiu!
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-X+ 5/8X= -9
(aducem la acelasi numitor)
-8X/8 +5/8X= -72/8 (inmultim cu 8 ca sa scapam de numitor)
-8x+5x=-72
-3x=-72 / ·(-1)
3x=72
x=72/3⇒ x=24