document.write( "Question 257979:
\n" ); document.write( "Solve the equations by substitution.\r
\n" ); document.write( "\n" ); document.write( "x - y = 6
\n" ); document.write( "x = y + 2\r
\n" ); document.write( "\n" ); document.write( "x = ?
\n" ); document.write( "y = ?\r
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Algebra.Com's Answer #189996 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
x - y = 6
\n" ); document.write( "x = y + 2
\n" ); document.write( "Replace x with (y+2) in the first equation & solve for y
\n" ); document.write( "(y+2)-y=6
\n" ); document.write( "y-y=6-2
\n" ); document.write( "0=4 no solution.\r
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