document.write( "Question 659444: How do I use elimination to solve the system: 2x-5y=-46 x+10y=77? \n" ); document.write( "
Algebra.Com's Answer #410786 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\"2x-5y=-46\"...........1 \r
\n" ); document.write( "\n" ); document.write( "\"x%2B10y=77\"............2
\n" ); document.write( "______________________________multiply equation 2 by \"-2\"\r
\n" ); document.write( "\n" ); document.write( "\"-2x-20y=-154\"............2........now add 1 and 2\r
\n" ); document.write( "\n" ); document.write( "___________________________________\r
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\n" ); document.write( "\n" ); document.write( "\"2x-5y=-46\"...........1
\n" ); document.write( "+
\n" ); document.write( "\"-2x-20y=-154\"............2
\n" ); document.write( "___________________________\r
\n" ); document.write( "\n" ); document.write( "\"2x-2x-5y-20y=-46-154\"\r
\n" ); document.write( "\n" ); document.write( "\"-5y-20y=-46-154\"......solve for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"-25y=-200\".........both sides multiply by \"-1\"\r
\n" ); document.write( "\n" ); document.write( "\"25y=200\"\r
\n" ); document.write( "\n" ); document.write( "\"y=200%2F25\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28y=8%29\"\r
\n" ); document.write( "\n" ); document.write( "now, find \"x\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%2B10y=77\"............2\r
\n" ); document.write( "\n" ); document.write( "\"x%2B10%2A8=77\"\r
\n" ); document.write( "\n" ); document.write( "\"x%2B80=77\"\r
\n" ); document.write( "\n" ); document.write( "\"x=77-80\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=-3%29\"\r
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