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)\"\" \"About 
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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
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