Question

A system of equations is shown below:

x + y = 3
2x - y = 6

The x-coordinate of the solution to this system of equations is _____.

Answer 1

use the elimination method
since you have a positive y and negative y you can add the equations together to get

x+y +2x + (-y) = 3+ 6
simplify to get x

Answer 2

this is confusing

Answer 3

okay choose a method you prefer
elimination or substitution, and I will explain it

Answer 4

I can help you @_YRXG

Answer 5

she isn't replying lol

Answer 6

hmmm substitution

Answer 7

give me a second

Answer 8

x=3 hope this helps @_YRXG

Answer 9

you didn't explain how you got that answer /ban

Answer 10

you explain I only use elimination

Answer 11

@amorfide

Answer 12

{x,y} = {3,0}