1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lukranit [14]
3 years ago
14

The sum of the digits of a two-digit number is 5. If nine is subtracted from the number, the digits will be reversed. Find the n

umber. the answer to that is 32. If you replace the tens digit with x, then what will the equation be?
Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
5 0

Answer: 32

Step-by-step explanation:

Let x + y = 5

x = 5 - y....................(1)

10x + y -9 = 10y + x..... . (2)

Substituting (1) in (2)

10(5-y) + y - 9 = 10y + (5-y)

50-10y + y - 9 = 10y + 5 - y

41 - 9y = 9y + 5

-9y - 9y = 5-41

-18y = - 36

y = 36/2 = 2

So, x = 5-2 = 3

You might be interested in
Which of the following figures could have both line symmetry and rotational symmetry?
Lana71 [14]

Answer:

Triangle  and square!

Step-by-step explanation:

Let me know if im wrong and I will fix it.

6 0
2 years ago
Read 2 more answers
-21 = 7(3 - x)<br><br> Please help. You have to use distributive property to solve.
OlgaM077 [116]
The answer is 6


hope this helps !!
4 0
2 years ago
Read 2 more answers
Can you simplify 45/99
sattari [20]
The answer is 2.2  , you divide 99/45
8 0
3 years ago
Read 2 more answers
Stephanie borrowed $12,000 at a 5% interest rate for 8 years. what was the interest?
Sindrei [870]
The interest was 4,800
3 0
3 years ago
Read 2 more answers
People
Sophie [7]
I don’t know anything bro i’m stupid
7 0
3 years ago
Other questions:
  • Helpp<br> pppppppp<br> ppppppp pppppppppp
    12·2 answers
  • Given f (x) =2x-3 what is f(-15) <br><br> A. -16<br> B. -13<br> C. 7<br> D. 30
    9·1 answer
  • Someone please help me
    12·1 answer
  • 2. Given a directed line segment with endpoints A(3, 2) and B(6, 11), what is the point that
    7·1 answer
  • Which of these could represent a dilation of the line y = 3x + 7 from the center (2, 13) ?
    12·1 answer
  • Before the eruption of a​ volcano, the volcano was 2.75 kilometers high. After the​ eruption, the volcano was 2.25 kilometers hi
    12·1 answer
  • Help please quick for c and d
    12·1 answer
  • Kelly earns $23.00 for 4 hours of work. At that rate, how long would she have to work to earn $57.50?
    11·1 answer
  • 9.6 + [(3.1 x 2) - 2.3] + 4 to the 2nd power
    11·1 answer
  • Is 3/7 and 10/21 proportional ? 15 points
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!