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​Use an Inverse Matrix to Solve (If Possible)the System of Linear

Question 28

Multiple Choice

​Use an inverse matrix to solve (if possible) the system of linear equations.​ {18x+12y=1430x+24y=24\left\{ \begin{array} { l } 18 x + 12 y = 14 \\30 x + 24 y = 24\end{array} \right.


A) ​( 56\frac { 5 } { 6 } , 16\frac { 1 } { 6 } )
B) ​( 4, 16\frac { 1 } { 6 } )
C) ​( 23\frac { 2 } { 3 } , 16\frac { 1 } { 6 } )
D) ​( 23\frac { 2 } { 3 } , 14\frac { 1 } { 4 } )
E) ​( 23\frac { 2 } { 3 } ,3 )

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