document.write( "Question 516853: a-b=b-c=c-d=5 what is a-d=? \n" ); document.write( "
Algebra.Com's Answer #344523 by richard1234(7193)\"\" \"About 
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Each expression is equal to 5. Hence,\r
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\n" ); document.write( "\n" ); document.write( "(a-b) + (b-c) + (c-d) = 5+5+5 = 15, this is also equal to a-d. So a-d = 15.
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