SOLUTION: What can be the result of adding this 2 equations? 4x+y=7 X-y=-2

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Question 390953: What can be the result of adding this 2 equations?


4x+y=7
X-y=-2
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

by adding...we find the point the two lines may have in common.

4x+y= 7 

 x-y=-2

5x = 5

 x = 1  

4x+y= 7 

4*1+y= 7 

   y = 3

Lines intersect at Pt(1,3)which is the solution for the system