👤

4/9(4/9x+4/9)=4/3
Va rog ajutati-ma!


Răspuns :

4/9(4/9x+4/9)=4/3
4/9x+4/9=4/3 :4/9
 
4/9x+4/9=4/3 ×9/4
 4/9x+4/9=3
 4/9(x+1)=3
x+1=3:4/9
x+1=3×9/4
x+1=27/4
x=27/4-1
x=(27-4)/4
x=23/4