Zainabmustapha0idn
Answered

IDNLearn.com makes it easy to get reliable answers from knowledgeable individuals. Get comprehensive answers to all your questions from our network of experienced experts.

A number of two digits is such that twice the ten digit it is 6 greater than the unit digit. When the digits are reversed the number is increased by 9. Find the number

Sagot :

Konrad509idn
10x+y - a two digit number
x - ten digit
y - unit digit

[tex]2x=y+6\\ 10y+x=10x+y+9\\\\ y-2x=-6\\ 9y-9x=9\\\\ y-2x=-6\\ y-x=1\\\\ y-2x=-6\\ -y+x=-1\\ ------\\ -x=-7\\ x=7\\\\ y-7=1\\ y=8\\\\ 10\cdot7+8=\boxed{78} [/tex]
Thank you for joining our conversation. Don't hesitate to return anytime to find answers to your questions. Let's continue sharing knowledge and experiences! Your search for solutions ends here at IDNLearn.com. Thank you for visiting, and come back soon for more helpful information.