document.write( "Question 30066: x+y= 8 x-y= 10 \n" ); document.write( "
Algebra.Com's Answer #17313 by checkley71(8403) ![]() You can put this solution on YOUR website! X+Y=8 & X-Y=10 \n" ); document.write( "X=8-Y 8-Y-Y=10 OR -2Y=2 OR Y=-1 \n" ); document.write( "X=8-(-1) OR X=9 \n" ); document.write( "PROOF 9-1=8 OR 8=8 & 9-(-1)=10 OR 9+1=10 or 10=10 \n" ); document.write( " \n" ); document.write( " |