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
Oxana [17]
2 years ago
11

X-5y=21 and-6x=24 solve by substitution

Mathematics
1 answer:
Zepler [3.9K]2 years ago
8 0

Answer:

The value of x is (-4) and y is (-5)

Step-by-step explanation:

<h3><u>Given</u>;</h3>
  • x – 5y = 21
  • -6x = 24
<h3><u>To Find</u>;</h3>
  • Value of x
  • Value of y

Now,

-6x = 24

-6x/(-6) = 24/(-6)

x = -4

So, Substitute the value of x in x – 5y = 21

x – 5y = 21

-4 – 5y = 21

-4 + 4 – 5y = 21 + 4

-5y = 25/

-5y/(-5) = 25/(-5)

y = -5

Thus, The value of x is (-4) and y is (-5)

<h3><u>For </u><u>Verification</u>;</h3>

x – 5y = 21

-4 – 5(-5) = 21

-4 + 25 = 21

21 = 21

-6x = 24

-6(-4) = 24

24 = 24

L.H.S = R.H.S

Hence Verified!

<u>-TheUnknownScientist 72</u>

You might be interested in
The question is:
kifflom [539]
Pythagoras theorem is  c^2 = b^2 + a^2

so when you plug in the numbers its 12^2 + 5^2 =169
which means 144+24=169

square root 169 = 13

AB =13 cm



hope this helps I tried my best. xx
6 0
3 years ago
Which number, when rounded to the nearest tenth is 43.6?
andreev551 [17]

Answer:

d

Step-by-step explanation:

43.55 rounds the tenth up because it has a hundredth of five

7 0
2 years ago
Convert 9.3 kribs into grees given that 4.2 kribs = 18 grees.
maria [59]

Answer:

39.9 grees

Step-by-step explanation:

Since 4.2 kribs = 18 grees

Then,

1 krib = 18/4.2 grees

9.3 kribs = (18/4.2) x 9 3

9.3 kribs = 39.9 grees.

4 0
3 years ago
Please help solve and explain this thank you
vova2212 [387]

Answer:

hi

Step-by-step explanation:

4 0
3 years ago
What is 33 1/3 of 51 equals what please show work
Leona [35]
If ur asking for it in percent, it is 17. 33 1/3 percent is the same thing as 1/3 of a number. therefore, u multiply 51 by one third or divide 51 by 3
7 0
2 years ago
Read 2 more answers
Other questions:
  • Diesel Inc. is making frames for a new product being launched at the end of the year. To keep the weight down, the area of the f
    10·1 answer
  • Given f(x) = x^3 + 9x and g(x) = x^2 what is the expression for (f ° g)(x)
    5·1 answer
  • Second post. third is coming up
    8·1 answer
  • NEED HELP FAST WILL GIVE BRAINLIEST
    12·1 answer
  • Y=a(x-3)^2-1 What is the value of a?
    9·1 answer
  • Please help this is due soon
    10·1 answer
  • Help pls only have 20 min left
    11·1 answer
  • The diagram shows a right-angled triangle.<br> a<br> 12 cm<br> 24 cm<br> Find the size of angle x.
    10·1 answer
  • Help pleasee :) giving brainliest! Any help is appreciated
    8·1 answer
  • Hi can someone please help me solve this problem in the picture :)
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!