37.1k views
0 votes
Elimination method.

Elimination method.-example-1

1 Answer

7 votes
The -x and the positive x beneath it will cancel out because 1 + (-1) = 0

This leaves you with 7y=7

You then divide to get y=1
Hope this helped! :)
User Alkber
by
5.5k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.