document.write( "Question 321690: In the sequence of #'s x1, x2, x3, x4, x5 (all numbers are sub), each # after the first is twice the preceeding number. If x5 - x1 = 20, what is the value of x1? \n" ); document.write( "
Algebra.Com's Answer #230340 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Since and , we can say .\r
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\n" ); document.write( "\n" ); document.write( "Following this reasoning, we end up with \r
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