Find the value of x, if ( begin{vmatrix}2&5 3&x end{vmatrix} )= ( begin{vmatrix}x&-1 5&3 end{vmatrix} ).

Find the value of x, if ( begin{vmatrix}2&5 3&x end{vmatrix} )= ( be

1.	Find the value of x, if ( begin{vmatrix}2&5 3&x end{vmatrix} )= ( begin{vmatrix}x&-1 5&3 end{vmatrix} ).
A.	20
B.	-20
C.	30
D.	-30
Answer» C. 30

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