document.write( "Question 858995: x=2y+1
\n" ); document.write( "x+y=7 \r
\n" ); document.write( "\n" ); document.write( "Solve the systems of equation using the elimation or substitution method
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Algebra.Com's Answer #517464 by mananth(16946)\"\" \"About 
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x=2y+1
\n" ); document.write( "x+y=7 \r
\n" ); document.write( "\n" ); document.write( "substitute x \r
\n" ); document.write( "\n" ); document.write( "2y+1+y=7\r
\n" ); document.write( "\n" ); document.write( "3y=7-1
\n" ); document.write( "3y=6
\n" ); document.write( "y=2
\n" ); document.write( "so x= 5 because x+y =7
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