document.write( "Question 188812: trying to solve the equation of:
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document.write( "y=x-4
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document.write( "x+y=14 \n" );
document.write( "
Algebra.Com's Answer #141605 by checkley77(12844) ![]() You can put this solution on YOUR website! y=x-4 \n" ); document.write( "x+y=14 \n" ); document.write( "Replace y in the second equation with (x-4) & solve for x. \n" ); document.write( "x+(x-4)=14 \n" ); document.write( "2x=14+4 \n" ); document.write( "2x=18 \n" ); document.write( "x=18/2 \n" ); document.write( "x=9 ans. \n" ); document.write( "y=9-4 \n" ); document.write( "y=5 ans. \n" ); document.write( "Proof: \n" ); document.write( "9+5=14 \n" ); document.write( "14=14\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |