document.write( "Question 213529: Use the substitution method to solve the system of equations. Enter your answer as an ordered pair.\r
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document.write( "3x - y = 7
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document.write( "2x - 2y = 2 \n" );
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Algebra.Com's Answer #161335 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! 3x-y=7, y=3x-7 \n" ); document.write( "2x-2y=2 \n" ); document.write( "2x-2(3x-7)=2 \n" ); document.write( "2x-6x+14=2 \n" ); document.write( "-4x=-12 \n" ); document.write( "x=3 \n" ); document.write( "---------------- \n" ); document.write( "3(3)-y=7 \n" ); document.write( "-y=-2 \n" ); document.write( "y=2 \n" ); document.write( "--------------- \n" ); document.write( "2(3)-2(2)=2 \n" ); document.write( " |