document.write( "Question 1000483: solve each equation by addition method
\n" ); document.write( "x/2+y/4=1
\n" ); document.write( "-x/4-y/8=1
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Algebra.Com's Answer #617912 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\"x%2F2%2By%2F4=1\".....eq.1..........both sides divide by \"2\"
\n" ); document.write( "\"-x%2F4-y%2F8=1\".......eq.2
\n" ); document.write( "------------------
\n" ); document.write( "\"x%2F4%2By%2F8=1%2F2\".....eq.1
\n" ); document.write( "\"-x%2F4-y%2F8=1\".......eq.2
\n" ); document.write( "----------------------------add both eq.1 and eq.2\r
\n" ); document.write( "\n" ); document.write( "\"x%2F4%2By%2F8-x%2F4-y%2F8=1%2F2%2B1\"\r
\n" ); document.write( "\n" ); document.write( "\"cross%28x%2F4%29%2Bcross%28y%2F8%29-cross%28x%2F4%29-cross%28y%2F8%29=1%2F2%2B2%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"0%3C%3E3%2F2\"=> there is no solution; lines are parallel to each other,this system is inconsistent\r
\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-10%2C10%2C+-10%2C+10%2C+-2x%2B4%2C+-2x%2B8%29+\"
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