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 ( 21+ )
Otras preguntas
Looking at a cell under a microscope, you note that its a prokaryote. How do you know? a. the cell lacks cytoplasm b. the cell lacks a cell membrane c. the cell
Besides making laws, what are some other jobs of the House of Representatives and senate?
Ashamed of the cruelty of his military victories, this leader from northern India became a Buddhist and built hospitals, roads, and places of worship. Who does
1/2r + 2(3/4r - 1) = 1/4r + 6
I need a equation for a problem in using a pulling force a mass a coefficient of static friction a coefficient of kinetic friction and solving for the frictiona
I need an example of a ratio being a rate
what is the Nth term of 0 3 8 15 24 35
What is the least common multiple of 12, 20, and 18?
Electron Lender or borrower? i need to know if these elements lend or borrow electrons. -sodium -phosphorus -potassium -oxygen -iodine -cesium -bromine -sulfur
how is the volume of the cone related to the volume of the cylinder
