SOLUTION: Type in the indicated number to fill in this determinant x+3y=15 4x+2y=25 A1 = what?

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Question 465144: Type in the indicated number to fill in this determinant
x+3y=15
4x+2y=25
A1 = what?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

 x+3y=15 

4x+2y=25