document.write( "Question 427296: Solve by elimination or substitution method
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document.write( "5x-2y = 23
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document.write( "2x+3y =13\r
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Algebra.Com's Answer #297158 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve by elimination or substitution method \n" ); document.write( "5x-2y = 23 \n" ); document.write( "2x+3y =13 \r \n" ); document.write( "\n" ); document.write( "--- \n" ); document.write( "Multiply thru 1st by 3 \n" ); document.write( "Multiply thru 2nd by 2 \n" ); document.write( "---- \n" ); document.write( "15x-6y = 3*23 \n" ); document.write( "4x +6y = 2*13 \n" ); document.write( "-------------------- \n" ); document.write( "Add and solve for \"y\": \n" ); document.write( "19x = 95 \n" ); document.write( "x = 5 \n" ); document.write( "------------ \n" ); document.write( "Solve for \"y\": \n" ); document.write( "5x-2y = 23 \n" ); document.write( "5*5 - 2y = 23 \n" ); document.write( "25 -2y = 23 \n" ); document.write( "-2y = -2 \n" ); document.write( "y = 1 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=========== \n" ); document.write( " \n" ); document.write( " |