document.write( "Question 158375: Solve the following using elimination:\r
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document.write( "y=-2x +5
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document.write( "3x-2y=4 \n" );
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Algebra.Com's Answer #117401 by Alan3354(69443) You can put this solution on YOUR website! Solve the following using elimination: \n" ); document.write( "y=-2x +5 \n" ); document.write( "3x-2y=4 \n" ); document.write( "------------ \n" ); document.write( "rearrange into standard form \n" ); document.write( "2x + y = 5 eqn 1 \n" ); document.write( "3x -2y = 4 eqn 2 \n" ); document.write( "------------ \n" ); document.write( "Multiply eqn 1 by 2 \n" ); document.write( "4x +2y = 10 eqn 1 \n" ); document.write( "3x -2y = 4 eqn 2 \n" ); document.write( "Add the 2 eqns \n" ); document.write( "7x +0y = 14 \n" ); document.write( "x = 2 \n" ); document.write( "------- \n" ); document.write( "Sub into eqn 1 \n" ); document.write( "2*2 + y = 5 \n" ); document.write( "4 + y = 5 \n" ); document.write( "y = 1 \n" ); document.write( "-------- \n" ); document.write( "check, they both work \n" ); document.write( " \n" ); document.write( " |