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Adrianaandreea2
a fost răspuns

800 × 950 - ( 950 -x) ×760 =(950-x)×760
x = ?


Răspuns :

( 950 -x) ×760= a

800x950-a=a
a+a=760000
2a=760000
a=760000:2
a=380000

( 950 -x) ×760=380000
950-x=380000:760
950-x=500
x=950-500
x=450

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