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Marinaruncan2005
a fost răspuns

Rezolvati ecuatia va rogg e urgent
2×+5ori (120-×)=360

Răspuns :

Miau46
5ori (120-x)=360:2=180
120-x=180:5=36
36+x=120
x=120-36=84
Succes!
Andreearamonat
2x + 5•(120-x) =360
2x + 5•120 -5•x =360
2x + 600-5x=360
-3x = 360-600
-3x=-240=> -x=-80
Sper ca te-am ajutat !! ;)

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