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rezolvati ecuatiile:2/3+x+1/2=5-4-x/6

Răspuns :

Iakabcristina2
Numitorul comun este 6
4+6x+3=30-24-x
6x+7=6-x
6x+x=6-7
7x=-1 =>x=-1/7
Nitugheorghe57
2/3+x+1/2=5-4-x/6⇒4+x+3/6=30-24-x/6⇒7+x/6=6-x/6⇒6(6-x)=6(7+x)⇒36-6x=42+6x⇒-6x-6x=-36+42⇒-12x=6⇒x=6/-12,x=-3/6⇒x=-1/2

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