document.write( "Question 301745: solve each system using the substituion method.\r
\n" ); document.write( "\n" ); document.write( "X+y=9
\n" ); document.write( "y=x+1
\n" ); document.write( "

Algebra.Com's Answer #216365 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
1.\"x%2By=9\"
\n" ); document.write( "2.\"y=x%2B1\"
\n" ); document.write( "Use eq. 2 directly in eq. 1 and solve for x.
\n" ); document.write( "\"x%2B%28x%2B1%29=9\"
\n" ); document.write( "\"2x%2B1=9\"
\n" ); document.write( "\"2x=8\"
\n" ); document.write( "\"highlight_green%28+x=4%29\"
\n" ); document.write( "Now use either equation to solve for y.
\n" ); document.write( "\"y=x%2B1\"
\n" ); document.write( "\"y=4%2B1\"
\n" ); document.write( "\"highlight_green%28y=5%29\"
\n" ); document.write( "
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