turciosnorma32 turciosnorma32

05-03-2021
Mathematics

contestada

please can you give the answer of this, 8x+5y=23 -8x+9y=-19

Respuesta :

kica226 kica226

05-03-2021

8X+5Y=23
8X=23-5Y

-8X+9Y= -19 multiple all by -1
8X-9Y=19
8x=23-5y
Plug that in
23-5Y-9Y=19
-14Y=19-23
-14Y= -4
Y=1

8X=23-5Y
8X=23-5•1
8X=23-5
8X=18
X=18/8
X=9/4

Answer Link

Otras preguntas

The accompanying diagram show a cross-section of a rectangular pyramid. The cross sectional area is 36in and is 3 inches from the vertex of the pyramid. If the

Why do Linux administrators prefer to give sudo access to application teams instead of letting them su to root?

Mention any five traditional religious leaders you know

poor farmer intends to cultivate three acres of paddy but the necessary credit facilities for such farming. The farmer needs money to prepare and till the land.

Vosotros ____ el nombre de la película. O sabes sabéis séis

Explain the advantages and disadvantages of a non-linear rate structure.Please, help!

In order to find the best possible evidence, writers need to research their topics well so they: A) bout the topic is most current and important. B) understand

you have to choose more than one on this

F. What change was each of these reformers responsible for? Upton Sinclair: John Muir: I WILL GIVE YOU POINTSS

Make a title for this short paragraph and write a statement that is your opinion about the paragraph.