SOLUTION: What is the steps and solution to Top: x+2y=7 Bottom: 2x-3y=-21 using the Elimination method?

Question 182658: What is the steps and solution to Top: x+2y=7 Bottom: 2x-3y=-21 using the Elimination method?
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!

Top: ; Bottom:
Multiply "Top" by 2 and subtract to "Bottom":
(x+2y=7)(2)--->
2x+4y=14
-(2x-3y=-21) *remember to change signs
------------
----->
subst. to "Top":

It shows, the "top" and "Bottom" will meet at point (-3,5):
---> RED Line >>>> "Top"; GREEN Line >>> "Bottom"
Thank you,
Jojo

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