zainabmustapha0
Answered

Discover a wealth of knowledge at Westonci.ca, where experts provide answers to your most pressing questions. Get immediate and reliable solutions to your questions from a community of experienced experts on our Q&A platform. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

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 :

konrad509
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 your visit. We're committed to providing you with the best information available. Return anytime for more. We hope our answers were useful. Return anytime for more information and answers to any other questions you have. We're glad you visited Westonci.ca. Return anytime for updated answers from our knowledgeable team.