document.write( "Question 125171: solve the linear system using elimination\r
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document.write( "1/4x-2/3y=7
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document.write( "1/2x+2/3y=-4 \n" );
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Algebra.Com's Answer #91752 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! solve the linear system using elimination \n" ); document.write( "1/4x-2/3y=7 \n" ); document.write( "1/2x+2/3y=-4 \n" ); document.write( "---------------- \n" ); document.write( "Add the two equations to get: \n" ); document.write( "(3/4)x = 3 \n" ); document.write( "x = 4 \n" ); document.write( "------------ \n" ); document.write( "Substitute to solve for Y: \n" ); document.write( "(1/2)*4 + (2/3)y = -4 \n" ); document.write( "(2/3)y = -6 \n" ); document.write( "y = -9 \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |