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a fost răspuns

X+5/4 + x+6/5 + x+7/6 + x+8/7 + x+9/8 = 5
Cu rezolvare, va rog

Răspuns :

Cariochi
5x + 5/4 + 6/5 + 7/6 + 8/7 + 9/8=5
numitorul comun e 840 (cel mai mic)
5x + (210×5+168×6+140×7+120×8+105×9)/840=5
5x+ (1050+1008+980+960+945)/840=5
5x + 4943/840=5
5x=5-4943/840
x= (4200-4943)/(840×5)
x=-743/4200

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