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Soluția educației 3/2(7x-2/5)+1/2=2este număr rațional

Răspuns :

Renatemambouko
3/2(7x-2/5)+1/2=2
3/2(7x-2/5)=2-1/2
3/2(7x-2/5)=3/2
7x-2/5=1
35x-2=5
35x=7
x=7/35
x=1/5

Cristinatibulca
3/2(7x-2/5)=2-1/2
3/2(7x-2/5)=3/2
7x-2/5=1
7x=1+2/5, 7x=7/5, x=1/5

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