SOLUTION: Find the point of intersection of the pair of straight lines. 6x+2y=26 −9x+5y=−19

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Question 936379: Find the point of intersection of the pair of straight lines.
6x+2y=26
−9x+5y=−19
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Find the point of intersection of the pair of straight lines.
6x+2y=26
−9x+5y=−19
..
18x+6y=78 (mult. eq. by 3)
-18x+10y=-38 (mult. eq. by 2)
add:
16y=40
y=40/16=5/2=2.5
6x=26-2y
6x=26-5
6x=26-5=21
x=21/6=3.5
point of intersection: (3.5,2.5)