SOLUTION: what is the solution for the equation 3x+y=6 2x-9y=5 using Co factor rule and the Cramer rule

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Question 1126288: what is the solution for the equation
3x+y=6
2x-9y=5
using Co factor rule and the Cramer rule

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

using the Cramer rule
Consider the system


Let the three determinants ,, and be defined as





Then, if the system has a unique solution of

and

given:









->->
and
->->


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