franchescamena912 franchescamena912
  • 22-11-2019
  • Mathematics
contestada

X+y=3
8x+y=-4
System of equation by graphing

Respuesta :

Yang100
Yang100 Yang100
  • 01-12-2019

Answer:

x=-1, y=4. (-1, 4).

Step-by-step explanation:

x+y=3

8x+y=-4

--------------

y=3-x

8x+(3-x)=-4

8x+3-x=-4

7x+3=-4

7x=-4-3

7x=-7

x=-7/7=-1

-1+y=3

y=3-(-1)=3+1=4

x=-1, y=4. (-1, 4).

Answer Link

Otras preguntas

Discuss Cathy’s romantic choices. Why does she make the choices that she does throughout the story, and do you agree with them? If you were Cathy, would you hav
What makes the presenter effective? Check all that apply. 1 The presenter reads directly from her notes. 2 The presenter refers to the images and uses them to e
Which reduces friction, to roll or to slide?​
Evaluate ( 3.5 × 10 − 4 ) − ( 7.63 × 10 − 6 ) Give your answer in standard form to 2SF
what is the stage of mitosis is represented in the picture
-2/3x+2y=-7 pls answer fast
IM BEING TIMED A nurse needs to assess if a patient may be at risk for a skin injury. To determine the patient’s skin integrity, the nurse should use a. the Bra
Mention one type of articulation (joint) and where is located.
What does the skyscraper most likely represent? A. opportunities to succeed B. social status based on wealth C. race relations across generations D. gender
NO LINKS!! Please help with this problem​