Show how answer can be derived by algebraic simplification

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Reference no: EM131481716

Question: You have all come across this sort of party trick: Think of a number. Add 3. Double it. Add 4. Take away the number you first thought of. Take away 3. Take away the number you thought of again. Add 2. Your answer is 9. Show how this answer can be derived by algebraic simplification by letting x equal the number first thought of.

Reference no: EM131481716

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