document.write( "Question 404080: x+y=17 2x+4y=56
\n" ); document.write( "how did they get the answer 56? \n" ); document.write( "

Algebra.Com's Answer #285612 by stanbon(75887) $\"\"$ $\"About$

You can put this solution on YOUR website!
x+y=17
\n" ); document.write( "2x+4y=56
\n" ); document.write( "----
\n" ); document.write( "x+y = 17
\n" ); document.write( "x + 2y = 28
\n" ); document.write( "----
\n" ); document.write( "Subtract top from bottom and solve for \"y\":
\n" ); document.write( "y = 11
\n" ); document.write( "----
\n" ); document.write( "Solve for \"x\":
\n" ); document.write( "x + y = 17
\n" ); document.write( "x + 11 = 17
\n" ); document.write( "x = 6
\n" ); document.write( "--------
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( " \n" ); document.write( "

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