noxxxx
noxxxx noxxxx
  • 17-02-2022
  • Mathematics
contestada

Use substitution to solve the system of equations.
2x+y=4
-2x+y=-4

Respuesta :

snitiser7
snitiser7 snitiser7
  • 17-02-2022

Answer:

Step-by-step explanation:

1*2x+y=4

-1*2x+y=-4

-2x=-y-4

2x=y+4

x=y+4/2

Answer Link

Otras preguntas

Help plzFind the measurement of the angles of a triangle if they are in the ratio 5:4:3 ​
h(x)=x^2-1 what is the average rate of change of h over the interval −3≤x≤−1
Check whether the sequence is arithmetic. If​ so, find the common difference d. 9,14,18,23,27...
"Say It Loud, I'm Black and I'm Proud" was a song by which important soul artist? A. James Brown B. Aretha Franklin C. Donny Hathaway D. Ray Charles SUBMIT
A particle is projected in a straight line from a point O with a speed of [tex]6ms^-^1[/tex]. At time t sec later its acceleration is [tex](1+2t)ms^-^2[/tex] .
state how the four earth's spheres interact within the water cycle
Describe the basic characteristics of a photosystem and explain the difference between Photosystem I and Photosystem II.
С Color this answer blue. 6 Find the missing exponent: 4? = 1024 -​
- What is the conventional wisdom when it comes to what good debt is vs. bad debt?
The articles of confederation were comparable to the _____.