3. Use deductive reasoning to show that the following procedure always produces the number 5. Procedure: Pick a number. Add 4 to the number and multiply the sum by 3. Subtract 7 and then decrease this difference by the triple of the original number. (Use n to represent the original number.)

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A: Pick a number  Let the  number be x  Multiply it by 4 Therefore it will be 4x

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