document.write( "Question 181619: Hi I need some help with the following problem .\r
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document.write( "Solve each system by any method.\r
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document.write( "{2/3x-1/4y=-8
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document.write( " 1/2x-3/8y=-9 \n" );
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Algebra.Com's Answer #136244 by HyperBrain(694)![]() ![]() ![]() You can put this solution on YOUR website! I hate dealing with fractions, so let's make the coefficients integral. \n" ); document.write( "+++ \n" ); document.write( "2/3x-1/4y=-8 \n" ); document.write( "12(2/3x-1/4y)=12(-8) \n" ); document.write( "[1]8x-3y=-96 \n" ); document.write( "+++ \n" ); document.write( "1/2x-3/8y=-9 \n" ); document.write( "8(1/2x-3/8y)=8(-9) \n" ); document.write( "[2]4x-3y=-72 \n" ); document.write( "+++ \n" ); document.write( "Subtracting [2] from [1], \n" ); document.write( "4x=-24 \n" ); document.write( "4x/4=-24/4 \n" ); document.write( "x=-6 \n" ); document.write( "+++ \n" ); document.write( "Using [1], \n" ); document.write( "8(-6)-3y=-96 \n" ); document.write( "-48-3y=96 \n" ); document.write( "-3y=-48 \n" ); document.write( "y=16 \n" ); document.write( "+++ \n" ); document.write( "Therefore, x=-6, y=16 \n" ); document.write( "+++ \n" ); document.write( "Power up, \n" ); document.write( "HyperBrain! \n" ); document.write( "View my blog at wordpress here \n" ); document.write( "Use less plastic click here \n" ); document.write( " |