Steph23465
Steph23465
04-02-2016
Mathematics
contestada
Y=-2x-6
Y=x+9
Elimination method
Respuesta :
apologiabiology
apologiabiology
04-02-2016
so we have
y=-2x-6
y=x+9
elimination
multiply second by e
2y=2x+18
just add them
y=-2x-6
2y=2x+18 +
3y=0x+12
3y=12
divide by 3
y=4
subsitue
4=x+9
subtract 9
-5=x
x=-5
y=4
Answer Link
VER TODAS LAS RESPUESTAS ( 98+ )
Otras preguntas
The enrollment at Davis Middle School dropped by 60 students over a 5-year period. What is the average yearly drop in enrollment?
Which two definitions of the word sharp have the most negative connotation?SELECT TWO A.pointed B.stylish C.sour D.clever E.severe
All business transactions can be stated in terms of a. changes in cash. b. changes in owner's equity. c. changes in the elements of the accounting equation. d.
If a person withdraws $500 from his/her savings account and puts it in his/her checking account, then M1 will _____ and M2 will _____.
why is there a 0 degress longitude
Ashley pumped 18 gallons of water out of her pool. This was done over a period of 3 minutes at a constant rate. What was the change in the amount of water in t
In the video, teens expressed their opinions of digital media "upsides" and "downsides". Share least one "downside" to digital media that you agreed with from
Kim finishes a big project for school and treats herself to a coffee and piece of cake at starbucks. This is an example of ________.
The length of the bar for a high jump competition must always be 4.75 m. Express this measurement in millimeters. Explain your thinking. Include an equation wit
What is the school of psychology that believes perception is more than the sum of its parts—it involves a whole pattern?
