document.write( "Question 1122678: Shawn is building a tool shed with a square foundation and has enough siding to cover 12 linear feet of walls. If he leaves a 4-foot space for a door, then what size foundation would use up all of his siding? \n" ); document.write( "
Algebra.Com's Answer #738813 by josmiceli(19441)\"\" \"About 
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Let \"+x+\" = the length of a side
\n" ); document.write( "\"+3x+%2B+x+-+4+=+12+\"
\n" ); document.write( "\"+4x+=+16+\"
\n" ); document.write( "\"+x+=+4+\"
\n" ); document.write( "The foundation is 4 x 4
\n" ); document.write( "( strange result- the door is the
\n" ); document.write( "Same width as a wall )
\n" ); document.write( "Get another opinion if you want to
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