How do you follow the system of equations #2x+y=1# and #x--2y=-7# by graphing?

1 Answer
Chirag Mehta
Jan 2, 2018

see below

Explanation:

The equations are

1.) #2x+y=1#
2.) #x-(-2y)=-7# that gives #x + 2y=-7#
put some values for #x# in each equation to get corresponding values for #y# in each equation

like in equation 1
let #x=1#
#2(1)+y=1#
#y=1-2#
#y=-1#
similarly put another values for x and you will get corresponding values for y .
(if you want me to add those values in answer just mention once in comments , i'll update the answer)

the graph looks like
https://www.desmos.com/calculator/owvequfhjl

if it doesn't zoom see this
https://www.desmos.com/calculator/owvequfhjl

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