document.write( "Question 463367: \n" ); document.write( "
Algebra.Com's Answer #317498 by algebrahouse.com(1659)\"\" \"About 
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7x + 8y = 24
\n" ); document.write( "x - 8y = 8
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\n" ); document.write( "8x = 32 {added the two equations together}
\n" ); document.write( "x = 4 {divided both sides by 8}\r
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\n" ); document.write( "\n" ); document.write( "7x + 8y = 24 {top equation}
\n" ); document.write( "7(4) + 8y = 24 {substituted 4, in for x, into top equation}
\n" ); document.write( "28 + 8y = 24 {multiplied 7 by 4}
\n" ); document.write( "8y = -4 {subtracted 28 from both sides}
\n" ); document.write( "y = -1/2 {divided both sides by 8}\r
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\n" ); document.write( "\n" ); document.write( "x = 4 and y = -1/2
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