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
Gekata [30.6K]
2 years ago
9

Solve for the value of x and y when 3x+2y=24 , x+y=9 step wise explanation plz

Mathematics
2 answers:
OLga [1]2 years ago
6 0

Answer:

{x,y} = {2,9}

Step-by-step explanation:

Solve equation [2] for the variable  y  

 

 [2]    2y = -6x + 30

 [2]    y = -3x + 15

// Plug this in for variable  y  in equation [1]

  [1]    3x + 2•(-3x+15) = 24

  [1]    -3x = -6

// Solve equation [1] for the variable  x  

  [1]    3x = 6  

  [1]    x = 2  

// By now we know this much :

   x = 2

   y = -3x+15

// Use the  x  value to solve for  y  

   y = -3(2)+15 = 9

grigory [225]2 years ago
4 0
This is what I got. Tell me if I got it wrong.

You might be interested in
Jenny was in charge of selling tickets to a family fun night at her school
ra1l [238]
I’ve attached my work below for #4
5) 8% is equivalent to 8 cents so each item was $1.08
Than you know he spent 16.20 so you divided
1.08/16.20 which equals 15
So he got 15 items
6) the moon is 250,000 miles away which is about driving around earth 10 times which would take 6 months (not sure about this one)

Hope this helps!
Have a nice day :)

4 0
3 years ago
Which angles are vertical angles?
Evgen [1.6K]

Answer:

i believe the answer is 2 and 3

Step-by-step explanation:

Hope that helps!

5 0
2 years ago
Read 2 more answers
Solve and graph
oksano4ka [1.4K]

<span><span><span>2r - 9 > -6
</span><span>2r - 9 = -6
</span>2r = 3</span><span>
r = 3/2 = 1.5</span></span><span><span>
r > 1.5</span></span>

<span><span /></span><span><span>9x-5 < -41
</span><span>9x-5 = -41
9x = -36
x = -36/9 = -4
x < -4</span></span>

<span><span>3x + 13 > 7
3x + 13 = 7
3x = -6
x = -6/3 = -2
x > -2</span></span>

<span><span>4x + 3 > -17
4x + 3 = -17
4x = -20
x = -20/4 = -5
x > -5</span></span>

<span><span>7x - 4 < 10
7x - 4 = 10
7x = 14
x = 14/7 = 2
x < 2</span></span><span>
</span>

4 0
3 years ago
What is 2a +16 what does that =
kirill115 [55]
A will equal 8. can i get a brainliest plz
7 0
3 years ago
What is the slope of these lines?<br> What is the equation of these lines?
Mashcka [7]
For both lines the slope is 5/2 or 2.5.
Since the y-intercept is zero for both, both the equations are:
y=2.5x
Or
y=5/2x
4 0
3 years ago
Other questions:
  • If f(x)=x^2 and g(x)=x+3, which of the following statements is true?
    10·1 answer
  • A new gym is being built at a local high school. The length of the gym on the blueprint is 12 inches. Find the actual length of
    11·1 answer
  • The distance between two towns is 83km. Write this distance to the nearest 10?
    10·1 answer
  • Please solve all and work needs to be shown ❤️❤️
    8·1 answer
  • Pleaseee help please!!! Picture is above :(
    13·1 answer
  • A truck engine needs 3 1 over 4 gallons of oil change.How many quarts of oil are needed
    13·1 answer
  • Write n times 7 as an expression
    8·2 answers
  • Please put explanation :&lt;
    6·1 answer
  • ¿Cuál (es) de las siguientes sumas es(son) iguales a 1? (todos los numeros despues de la coma tienen una linea abajo)
    11·1 answer
  • 7 X 8 -3×2. His work is below .​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!