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6-3(2-x)+4x=7-x
Multumesc 10 puncte


Răspuns :

6-3(2-x)+4x=7-x
6-6+3x+4x=7-x
7x+x=7
8x=7
x=7/8
6-6+3x+4x=7-x
7x=7-x
7x+x=7
8x=7
x=7/8