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Topordaniel191p2x1nu
a fost răspuns

7(x+1/5)=1intregsi 3/4

Răspuns :

Gogu178
7x+7/5=7/4=>x+1/5=1/4=>x=1/20
Coco0987
7( x + 1/5) = 1intreg 3/4
1intreg 3/4= (4x1+3)/4=7/4
7( x +1/5)= 7/4
x+ 1/5= 7/4 : 7
x+ 1/5 = 7/4 x 1/7
x + 1/5= 1/4
aducem la acelasi numitor
20x + 4 = 5
20x=5-4
20x=1
x=1/20

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