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
Mkey [24]
3 years ago
7

Form simultaneous equations and solved using only one method.

Mathematics
2 answers:
kolbaska11 [484]3 years ago
3 0

Answer:

48

Step-by-step explanation:

48

Let the tens digit be x.

Hence, the units digit will be 2x

Number =10×(x)+(2x)=12x

When 36 is added to the number, the new number formed =12x+36

As the digits are reversed, we can also write the new number as 10×(2x)+x=21x

Hence,

12x+36=10×(2x)+x

⇒12x+36=21x

⇒21x−12x=36

⇒9x=36

⇒x=4

Hence, the original number =12x=12×4=48

daser333 [38]3 years ago
3 0

Answer:

4

Step-by-step explanation:

12x+36=10{2x}+x

=12x+36=21x

=21x-12x-36

=9x=36

=4

You might be interested in
Maya and Aimee compare the fractions 2/3 and 3//5. Their work is shown below.
White raven [17]

Answer:

Maya is correct. She wrote equivalent fractions with the same denominator and then correctly compared the fractions. Aimee wrote equivalent fractions with the same numerator but did not correctly compare the fractions. Only Maya is correct.

When you're comparing fractions, you have to set them equal to the same denominator, not the same numerator.

Hope this helps

5 0
2 years ago
WILL MARK BRANLIEST
Solnce55 [7]

Answer:

Try 9 x j(2 + 5)

4 0
3 years ago
Read 2 more answers
How many roots does the equation -2x3 = 0 have? 3 2 1 0
pickupchik [31]
-2x^3 = 0
solving for x you divide both sides by -2
x^3 = 0
Now take the cube root of each side
x = cube root of zero
x = 0
It has 1 root.
The root is zero
4 0
3 years ago
Read 2 more answers
The sum of a number, n, and a number 5 larger than it is 41. Which of the following equations could be used
Afina-wow [57]
I think it (3) one I’m not sure
3 0
3 years ago
Fill in the blank. Given O below, you can conclude that so is congruent to
Nesterboy [21]
Idk but maybe key words maybe it’s D don’t quote me tho
4 0
3 years ago
Other questions:
  • 720÷90=72 tens ÷ 9 tens = what?
    5·1 answer
  • Math Question Please Help
    11·1 answer
  • Use the distributive property to expand the following expression: -4(2a + 6b - 7)
    5·2 answers
  • Write a function rule for the table
    13·1 answer
  • Write what the expressions below best represent within the context of the word problem.
    9·1 answer
  • How do I solve this system of equations?<br> -3x-4y-3z=-7<br> 2x-6y+2z=3<br> 5x-2y+5z=9
    14·1 answer
  • Antoine and Tess have a disagreement over how to compute a 15% gratuity on $46.00.  Tess says, “It is easy to find 10% of 46 by
    5·2 answers
  • uhh please help...ASAP.like please. Uhh I’ll give BRAINLIEST for the rig by answer- 2 or more people have to answer
    10·1 answer
  • Can someone plz ummmm help me :))))))
    14·1 answer
  • 2. The ratio of pretzels to peanuts in a trail mix is 4:9.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!