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 ( 97+ )
Otras preguntas
What was the result of the battle of Tippacanoe
Can someone simplify the expression?
Simplify this expression. -3[2-(y-5)]-4[3(y+1)-(6-y)(-2)]
explain how households and firms interact in the factor market and in the product market.
According to the reading which job aboard a steamboat was the best
A side of a triangle is divided into three congruent parts. Two lines, parallel to another side of the triangle, are drawn through each dividing point. Find the
In parallelogram ABCD, E is the midpoint of AB and F is the midpoint of DC . Let G be the intersection of the diagonal DB and the line segment EF . Pro
helpppppppppppppppp pleaseeeee
Use the difference of two squares to find the product of 22 and 18.
Look at this image, it is about how loess is formed. Please help!
