ryanoneill53 ryanoneill53
  • 24-02-2021
  • Mathematics
contestada

What is the solution to the following system of equations:

7x+2y=24
8x+2y=30
​

Respuesta :

shikha009
shikha009 shikha009
  • 24-02-2021

Answer:

7x +2y =24 --------- (i)

8x +2y= 30 ---------(ii)

Subtracting eqn. (i) & (ii)

7x +2y =24

8x +2y= 30

- - -

___________

-x = - 6

Putting the value of x in eqn. (i)

7*6 +2y =24

42 +2y =24

2y =-18

y = - 9

Hence, x=6 and y= - 9

Hope it helps!!

Answer Link

Otras preguntas

4. Pick one drug or class of drug discussed in this unit (stimulant, hallucinogen, narcotic, etc.) and do the following a. Provide a description of the drug. b
Find the area of the figure 7in
A'B'C' is the image of ABC under a rotation about point B. A.90 clockwise B.90 counterclockwise C.180 D.270 counterclockwise E.270 clockwise
i need help please and thank you i will give a brainliest for the correct answers so it’s more than once it say select all that apply
23) When a two digits number is divided by the sum of its digits, then thequotient is 8 and the remainder is 2. If the digits are reversed and theresulting numb
why do we need to include this information about online platform?•••••꧁NOTE::::LINKS ARE NOT ALLOWED FOR THIS QUESTION꧂​
Which is an example of a polyatomic ion?
Spoilage bacterial can be identified easier by
3 An expression is shown below 3 +8+4x2 - 12 Place the parenthesis in the expression so that it has a value of 18.
Ayudaaa :( Complenta en tu cuaderno estos sujetos con un predicado verbal en el que aparezca , al menos, un complemento : - Javier y tu __________ - El conducto