document.write( "Question 740057: I have to solve each system by substitution. I under stand most of the problems and they were very easy. Some if the problems are giving me results like x=1&1/4 y=-13&3/4. None of the examples we did in class gave me answers like that. Please help! On example i am stuck on is this:
\n" ); document.write( "X=7-2y
\n" ); document.write( "2x+y=5
\n" ); document.write( "Thank you in advance,
\n" ); document.write( "Taylor
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Algebra.Com's Answer #451474 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"x=7-2y\"...eq.1
\n" ); document.write( "\"2x%2By=5\"...eq.2
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\n" ); document.write( "\n" ); document.write( "\"x=7-2y\"...eq.1.substitute \"x\" in eq.2\r
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\n" ); document.write( "\n" ); document.write( "\"2%287-2y%29%2By=5\"...eq.2...solve for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"14-4y%2By=5\"\r
\n" ); document.write( "\n" ); document.write( "\"14-3y=5\"\r
\n" ); document.write( "\n" ); document.write( "\"14-5=3y\"\r
\n" ); document.write( "\n" ); document.write( "\"9=3y\"\r
\n" ); document.write( "\n" ); document.write( "\"9%2F3=y\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%283=y%29\"\r
\n" ); document.write( "\n" ); document.write( "now find \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x=7-2y\"...eq.1\r
\n" ); document.write( "\n" ); document.write( "\"x=7-2%2A3\"\r
\n" ); document.write( "\n" ); document.write( "\"x=7-6\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=1%29\"\r
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\n" ); document.write( "\n" ); document.write( "check solution on a graph:\r
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