document.write( "Question 607480: What is the answer to solve by the substitution method\r
\n" ); document.write( "\n" ); document.write( "7x + 7y = 0\r
\n" ); document.write( "\n" ); document.write( "-2x + y = 6
\n" ); document.write( "

Algebra.Com's Answer #382743 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
divide first by 7
\n" ); document.write( "y=-x
\n" ); document.write( "-2x-x=6
\n" ); document.write( "-3x=6
\n" ); document.write( "x=-2
\n" ); document.write( "y=2
\n" ); document.write( "
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