document.write( "Question 654967: How do you solve 4x+2y=24 and y=-x+7 using substitution?
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Algebra.Com's Answer #408885 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! 4x+2y=24 and y=-x+7 \n" ); document.write( "4X+2(-X+7)=24 \n" ); document.write( "4X-2X+14=24 \n" ); document.write( "2X=24-14 \n" ); document.write( "2X=10 \n" ); document.write( "X=10/2 \n" ); document.write( "X=5 ANS. \n" ); document.write( "Y=-5+7 \n" ); document.write( "Y=2 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "4*5+2*2=24 \n" ); document.write( "20+4=24 \n" ); document.write( "24=24 \n" ); document.write( " \n" ); document.write( " |