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ma juta cuneva va rog 7×+3(×+2)=16

Răspuns :

Pai e cam asa
7x+3x+6=16
10x+6=16
10x=16-6
10x=10:10
x=1
7x+3-(x+2)=16
7x-(x+2)=16-3
7x-(x-2)=13
7x-x-2=13
7×2-x=13
14-x=13
x=14-13
x=1