SOLUTION: i think of a number a,i add 7 to it.the result is 39 find the value of a

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Question 805901: i think of a number a,i add 7 to it.the result is 39 find the value of a
Answer by trx1150(14) About Me  (Show Source):
You can put this solution on YOUR website!
You can write this problem as an algebraic equation.
a+7=39 Then using the rules of algebra, I can subtract 7 from both sides.
a=32