SOLUTION: Solve using Cramers Rule 2x+4y=16 3x-5y=-9

Question 601741: Solve using Cramers Rule
2x+4y=16
3x-5y=-9
Answer by Edwin McCravy(20059) (Show Source): You can put this solution on YOUR website!




is solved by calculating these three determinants:

 =  = 

 =  = 

 =  = 

Then

 = 

 = 

Your system



has P=2, Q=4, R=16, S=3, T=-5, U=-9

Substitute those into the above and you will get:

x = 2, y = 3

Edwin

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