dianewade15
dianewade15
03-02-2015
Mathematics
contestada
How do I solve x+4y=22
-x+5y=23
Respuesta :
eu99li
eu99li
03-02-2015
x+4y=22
-x+5y=23
(+)
9y=45
y=5
x+4*5=22
x=22-20
x=2
Answer Link
mac32b
mac32b
03-02-2015
{ x + 4y = 22 ( + x - x = 0 )
{ - x + 5y = 23
4y + 5y = 22 + 23
9y = 45
y =
45
9
y = 5
x + 4y = 22
x + 4 . 5 = 22
x + 20 = 22
x = 22 - 20
x = 2
S = { 2 , 5 }
Answer Link
VER TODAS LAS RESPUESTAS ( 94+ )
Otras preguntas
the solutions to a quadratic ecuation are x=2 or x=-3. what are the intercepts of the related quadratic function?
What is the magnitude of the gravitational field at the surface of a neutron star whose mass is 1.71 times the mass of the sun and whose radius is 10.2 km?
What would you like to see elected leaders in washington get done during the next few years?.
Gentry is writing a report about the popularity of the community boxing club for youth. he includes information about one boy who is described as pugnacious. wh
What is the correct one Misspell Mispel Misspel Mispell
Who is considered the principal author of the texas declaration of independence?.
Known to be when dinosaurs dominated the land, which geologic period came before the cretaceous period?.
Answer please I really need the whole page but any part would be appreciated
Identify the relationship between the size of the dna and the structure of the agar gel that explains why dna moves the way it does in the gel electrophoresis.
After mitosis occurs, how many chromosomes will be in the daughter cells compared to the original cell?.
