document.write( "Question 805901: i think of a number a,i add 7 to it.the result is 39 find the value of a
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Algebra.Com's Answer #485571 by trx1150(14)\"\" \"About 
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You can write this problem as an algebraic equation.
\n" ); document.write( "a+7=39 Then using the rules of algebra, I can subtract 7 from both sides.
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