document.write( "Question 786729: I have to solve algebraically the intersection point of these two equations.
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document.write( "x-y=3
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document.write( "2x+y=12 \n" );
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Algebra.Com's Answer #477965 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! x-y=3 \n" ); document.write( "y=x-3 \n" ); document.write( "------------ \n" ); document.write( "2x+y=12 \n" ); document.write( "2x+x-3=123x=15 \n" ); document.write( "x=15/3 \n" ); document.write( "x=5 \n" ); document.write( "------------- \n" ); document.write( "2*5+y=12 \n" ); document.write( "10+y=12 \n" ); document.write( "y=12-10 \n" ); document.write( "y=2 \n" ); document.write( "------- \n" ); document.write( "(5,2) \n" ); document.write( "----- \n" ); document.write( "5-2=3 \n" ); document.write( " |