vmorgan4997
vmorgan4997 vmorgan4997
  • 02-05-2017
  • Mathematics
contestada

The sum of the digits of a certain two-digit number is 7. Reversing its digits decreases the number by 27. Find the original number.

Respuesta :

lisee7 lisee7
  • 02-05-2017
X+Y= 7
Y-X= 27
2y=34
Y=17
X=-10
-10+17=7
17--10=27
Answer Link

Otras preguntas

why do desert plants need the waxy coating on their leaves to survive?
Whom did the Anglo-Saxons conquer upon arriving in Britain? A. Celts and Britons B. Romans C. Pagans D. Germans
Trust, respect, and _______ are the building blocks of a good business relationship. a. networking b. mutual support c. connection d. prior preparations
where must the server stand to serve the birdie in badminton
In the following sentence, which word is the adverb? The game was nearly over.
a)cos32cos28-sin32sin28 b)tg48-tg18/1+tg48tg18
What are the steps I am so stuck. Please help.
Fill in the bubble next to all the doubles facts you could use to fined the sum of 4+5
Which is the body system that drugs affect? cardiovascular system respiratory system circulatory system limbic system
how do you write 1 over 100 as a power of 10 with a negative exponent?