vivigarcia2020 vivigarcia2020

08-05-2015
Mathematics

contestada

A number, x, decreased by the sum of 2x and 5
Please show work!!!!!! Thank you!!!!

Respuesta :

slabrecque03 slabrecque03

08-05-2015

ive got a soulution
the number is 3 times the sum of its digits
45 is added=4+5=9so,a common numbers in 3rd and 9th table
9,18,27,36,45...
27+45=72
2+7=9
or
4+5=9

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