80 + 2x ର 20% = 30 ର 45% + 85 ର 20%  ଏହି ଗାଣିତିକ ଅଭିବ୍ୟକ୍ତିରେ x ର ମୂଲ୍ୟ ନିର୍ଣ୍ଣୟ କର । 

1
\(7\frac{1}{4}\)
2
\(7\frac{3}{4}\)
3
\(7\frac{1}{2}\)
4
\(7\frac{1}{3}\)

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