SOLUTION: solve the following simultaneous equation by using cramer's rule 3x+2y=13 2x-y=4

Question 578099: solve the following simultaneous equation by using cramer's rule
3x+2y=13
2x-y=4
Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!




is solved by calculating these three determinants:

 =  = 

 =  = 

 =  = 

Then

 = 

 = 

Your system



has P=3, Q=3, R=13, S=2, T=-1, U=4

Substitute those into the above and you will get:

x = 3, y = 2

Edwin

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