document.write( "Question 168333: use cramers rule to solve the system..\r
\n" ); document.write( "\n" ); document.write( "3x+2y=-2
\n" ); document.write( "5x+4y=8
\n" ); document.write( "

Algebra.Com's Answer #124327 by Juhi(44)\"\" \"About 
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3x+2y=-2 - (i)
\n" ); document.write( "5x+4y=8 - (ii)\r
\n" ); document.write( "\n" ); document.write( "multipying (i) by 2, we get\r
\n" ); document.write( "\n" ); document.write( "6x + 4y = -4 - (iii)\r
\n" ); document.write( "\n" ); document.write( "subracting (ii) from (iii),\r
\n" ); document.write( "\n" ); document.write( "6x + 4y - 5x - 4y = 8 + 2
\n" ); document.write( "x = 10\r
\n" ); document.write( "\n" ); document.write( "putting x=10 in (i),\r
\n" ); document.write( "\n" ); document.write( "3(10) + 2y = -2
\n" ); document.write( "30 + 2y = -2
\n" ); document.write( "2y = - 2 - 30
\n" ); document.write( "2y = -32
\n" ); document.write( "y = -16\r
\n" ); document.write( "\n" ); document.write( "x = 10
\n" ); document.write( "y = -16
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