document.write( "Question 611741: {2x-y=5
\n" ); document.write( "{3x+2y=-3
\n" ); document.write( "Need some help with cramers rule. Really stuck \n" ); document.write( "

Algebra.Com's Answer #385141 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "The value of a 2X2 determinant

\r
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\n" ); document.write( "\n" ); document.write( "Is calculated by

\r
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\n" ); document.write( "\n" ); document.write( "Create your coefficient determinant by setting

and

in the pattern above to the coefficients on the variables in your first equation and then setting

and

to the coefficients on the variables in the second equation. Once you have done that calculate

, the value of the coefficient determinant.\r
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\n" ); document.write( "\n" ); document.write( "The next step is to replace the first column in your coefficient determinant with the two constant values, 5 and -3 in your particular case. Then calculate the value of the

determinant,

.\r
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\n" ); document.write( "\n" ); document.write( "Starting fresh with a new copy of the coefficient determinant, replace the SECOND column with the constant values. Then calculate the value of the

determinant,

\r
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\n" ); document.write( "\n" ); document.write( "Then Cramer's Rule says:

and

\r
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\n" ); document.write( "\n" ); document.write( "Blows up if

, but that is not the case for your problem.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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$\"The$

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