document.write( "Question 133469: if 1ST is one tile and 2nd is three tiles , 3rd is five tiles ,4th is seven tiles. write an equation for the number of tiles,t, needed to make the nth figure. \n" ); document.write( "
Algebra.Com's Answer #97638 by vleith(2983)\"\" \"About 
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1 = 1
\n" ); document.write( "2 = 3 difference 2
\n" ); document.write( "3 = 5 difference 2
\n" ); document.write( "4 = 7 difference 2\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"+n+=+2x+-1\"
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