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

DO ALL THE FACES YOU CAN DO ON YOUR COMPUTER! (Please tell me how to do them)

Whats the theme of the most important night of Melanie’s life?

list the four main components of air in their molecular form.

Why is it necessary to maintain a lower grade on interstates than local or state roads? Explain 2-3 sentences

Eukaryotes evolved from prokaryote ancestors (the Endosymbiont Theory being a likely pathway). While eukaryotes share some traits with their prokaryote ancestor

What might have shocked readers about Dickinson’s view of spirituality?

Alex’s house (point F) lies on the same street as her school (point H). Alex’s bus stop (point G) lies between her house and her school. Given FG = (2x) meters,

Colored rule in a reconstructed stateQ: Who are the characters in this image? How are the characters presented?

A young child has recently been diagnosed with Pompe disease, which causes severe muscle weakness and muscle tone. The patient lacks the enzyme alpha-glucosidas

What were the British doing when they settled in Jamestown?