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7 (x+1) = 6 x ajutor !!

Răspuns :

7(x+1)=6x
7x+7=6x
x+7=0
x=0-7
x=-7
7(X+1)=6X⇒
7X-7=6X⇒
7X-6X=-7⇒X=-7
SUCCES