document.write( "Question 56492: 2x + y = 5; (3, -1)\r
\n" ); document.write( "\n" ); document.write( "Please help me with this problem. Thanks
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Algebra.Com's Answer #38337 by funmath(2933)\"\" \"About 
You can put this solution on YOUR website!
2x + y = 5; (3, -1)\r
\n" ); document.write( "\n" ); document.write( "I assume you are being asked to see if (x,y)=(3,-1) is a solution to the equation. To do this, let x=3 and y=-1, simplify and see if both sides equal. If they do, then it is, if they don't then it isn't.
\n" ); document.write( "2(3)+(-1)=5
\n" ); document.write( "6-1=5
\n" ); document.write( "5=5
\n" ); document.write( "Yes (3,-1) is a solution to the equation 2x+y=5.
\n" ); document.write( "Happy Calculating!!!
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