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Solutia reala a ecuatiei : 7-4x=3(2-3x)+16 este...?

Răspuns :

Adee17
7-4x=6-9x+16
7-4x=22-9x |+4x
7=22-5x |+5x -7
5x=15
=> x=3

Ctinamaria31xxx
7-4x=3(2-3x)+16
7-4x=6-9x+16
7-6-16=-9x+4x
-15=-5x
x=3

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