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2/3* (1+ 3-7x/2)=x. Multumesc anticipat!

Răspuns :

2/3(2/2+6/2-7x/2)=x 2/3*8-7x/2=x 8-7x/3=x 8-7x=3x 8=3x+7x 8=10x x=8/10 x=4/5