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Răspuns :

Răspuns:

Explicație pas cu pas:

x/3 + 5-x/9 - x/27 -2/3 = 1/9
9x + 3(5-x)-x-18=3
9x+15-3x-x-18=3
5x+15-18=3
5x-3=3
5x=3+3
5x=6
x=6/5