document.write( "Question 99917: Solve the system by addition.
\n" ); document.write( "3x + y = 6
\n" ); document.write( "3x – y = 0
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #72757 by aaaaaaaa(138) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"system%283x%2By=6%2C+3x-y=0%29\"$
\n" ); document.write( " $\"system%283x%2Bcross%28y%29=6%2C+3x-cross%28y%29=0%29\"$
\n" ); document.write( " $\"3x+%2B+3x+=+6\"$
\n" ); document.write( " $\"x+=+1\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"3%2A1-y+=+0\"$
\n" ); document.write( " $\"-y+=+-3\"$
\n" ); document.write( " $\"y+=+3\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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