document.write( "Question 769302: the sum of twice a number and 7 is 140 \r
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Algebra.Com's Answer #468768 by DrBeeee(684)\"\" \"About 
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Let x = the number
\n" ); document.write( "Then we have
\n" ); document.write( "(1) 2*x + 7 = 140 or
\n" ); document.write( "(2) 2*x = 133 or
\n" ); document.write( "(3) x = 133/2 or
\n" ); document.write( "(4) x = 66.5
\n" ); document.write( "Is (2*66.5 + 7 = 140)?
\n" ); document.write( "Is (133 + 7 = 140)?
\n" ); document.write( "Is (140 = 140)? Yes
\n" ); document.write( "Answer: the number is 66.5
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