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Cum se calculeaza exercitiul? (x x3+47)-315=146

Răspuns :

(x*3+47)-315=146
x*3+47=146+315=461
x*3=461-47=414
x=414:3
x=138
Lorenuţa
[tex](x*3+47)-315=146 =\ \textgreater \ 3x+47-315= 146=\ \textgreater \ 3x-268= 146= [/tex][tex]\ \textgreater \ 3x=146+268=\ \textgreater \ 3x=414=\ \textgreater \ x= \frac{414}{3} =\ \textgreater \ x=138 [/tex]

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