SOLUTION: it is about matrices and determinants i need to find the value of x in the system of equations 2x+y -4 =0;3x +(5/2)y-10=0 using cramers rule.

SOLUTION: it is about matrices and determinants i need to find the value of x in the system of equations 2x+y -4 =0;3x +(5/2)y-10=0 using cramers rule.

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Question 119687: it is about matrices and determinants i need to find the value of x in the system of equations 2x+y -4 =0;3x +(5/2)y-10=0 using cramers rule.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

or changing the equations, you get,

or in matrix form

According to Cramer's rule, then

Check your answers.

True statement.

True statement.
Good asnwers.
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