document.write( "Question 250169: Use the Substitution method to solve the system of equations.\r
\n" ); document.write( "\n" ); document.write( "x + y = 10
\n" ); document.write( "y = x + 8
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Algebra.Com's Answer #182124 by richwmiller(17219)\"\" \"About 
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substitute x+8 for y in equation one
\n" ); document.write( "x+x+8=10
\n" ); document.write( "subtract 8 from both sides
\n" ); document.write( "x+x=2
\n" ); document.write( "combine x's
\n" ); document.write( "2x=2
\n" ); document.write( "divide both sides by 2\r
\n" ); document.write( "\n" ); document.write( "x=1
\n" ); document.write( "substitute 1 for x in either original equation
\n" ); document.write( "solve for y\r
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