document.write( "Question 410265: Using substitution
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document.write( "y=3+x
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document.write( "2x+y=8
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document.write( "can you show me how to do this problem \n" );
document.write( "
Algebra.Com's Answer #288546 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! y=3+x \n" ); document.write( "2x+y=8 \n" ); document.write( "2x+3+x=8 \n" ); document.write( "3x=5 \n" ); document.write( "x=5/3 \n" ); document.write( "--------- \n" ); document.write( "2*5/3+y=8 \n" ); document.write( "10/3+y=8 \n" ); document.write( "y=8-10/3 \n" ); document.write( "y=24/3-10/3 \n" ); document.write( "y=14/3 \n" ); document.write( "y=4 2/3 \n" ); document.write( "---------- \n" ); document.write( "proof \n" ); document.write( "y=3+x \n" ); document.write( "14/3=3+5/3 \n" ); document.write( "14/3=9/3+5/3 \n" ); document.write( " |