document.write( "Question 1174657: Find how many solutions each system has for this:
\n" ); document.write( "-2x+y=6, y=x-8
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Algebra.Com's Answer #800091 by MathLover1(20850)\"\" \"About 
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\"-2x%2By=6\".....eq.1
\n" ); document.write( "\"y=x-8\"......eq.2
\n" ); document.write( "--------------------------substitute \"y\" from eq.2 in eq.1\r
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\n" ); document.write( "\n" ); document.write( "\"-2x%2Bx-8=6\".....eq.1 ...solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"-x-8=6\"\r
\n" ); document.write( "\n" ); document.write( "\"-6-8=x\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=-14\"\r
\n" ); document.write( "\n" ); document.write( "go to\r
\n" ); document.write( "\n" ); document.write( "\"y=x-8\"......eq.2, substitute \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"y=-14-8\"\r
\n" ); document.write( "\n" ); document.write( "\"y=-22\"\r
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