SOLUTION: what are the coordinates of 5x+20y=100 and x+3y=15
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Question 1128391: what are the coordinates of 5x+20y=100 and x+3y=15
Answer by MathLover1(20855) (Show Source): You can put this solution on YOUR website!
...eq.1.....simplify, both sides divide by
.......eq.2
--------------------
...eq.1
.......eq.2
---------------------------subtract eq.2 from eq.1
go back to .......eq.2, substitute value
=> intersection point of these two lines is at (,)
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