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(ax6+3)+a:a-3x6=4x7 a=? Dau coroanaaaaa!!Helpppp


Răspuns :

(ax6+3)+a:a-3x6=4x7
(a×6+3)+1-18=28
(a×6+3)+1=28+18
(a×6+3)+1=46
a×6+3=46-1
a×6+3=45
a×6=45-3
a×6=42
a=42:6
a=7