document.write( "Question 241441: Solve the system of eqations.
\n" ); document.write( "x + y = -4
\n" ); document.write( "x - y = 10
\n" ); document.write( "

Algebra.Com's Answer #176809 by checkley77(12844)\"\" \"About 
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x + y = -4
\n" ); document.write( "x - y = 10 add.
\n" ); document.write( "-------------------
\n" ); document.write( "2x=6
\n" ); document.write( "x=6/2
\n" ); document.write( "x=3 ans.
\n" ); document.write( "3+y=-4
\n" ); document.write( "y=-4-3
\n" ); document.write( "y=-7 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "3-(-7)=10
\n" ); document.write( "3+7=10
\n" ); document.write( "10=10
\n" ); document.write( "
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