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 ( 96+ )
Otras preguntas
Read the description below. What does it illustrate? Old inhabitants to an area die or move out, and new organisms move in. This causes regrowth and change in t
An activity takes 63 minutes when there are 4 participants. The activity takes 87 minutes when there are 6 participants. Assume the relationship is linear. A
Plants make their food using energy from the sun, carbon dioxide from the air, and _______
A civil engineer is mapping the overhead clearance of his family’s property on a coordinate grid. The ground is represented by the x-axis and the base of the ho
How to identify lone pairs and bond pairs?
Do you think one gene controls human hair color?
kevin can travel 22 1/2 miles in 1/3 hour. what is his average speed in miles per hour
What is the maximum of relative extrema 3x^4-x^2+4x-2
Find the Surface area and volume of this squared-based pyramid
INCIDENCES WHERE SPORTS PERSONALITIES RIGHTS WERE VIOLATED
