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Calculati 0,(2)*x+2,(2)=4,(2)

Răspuns :

0,(2)*x+2,(2)=4,(2)
[tex] \frac{2}{9} x+2 \frac{2}{9} =4 \frac{2}{9} [/tex]
[tex] \frac{2x}{9} +\frac{20}{9} = \frac{38}{9} [/tex]
Inmultim cu 9:
2x+20=38
2x=18
x=9