Mathematics, 23.06.2019 13:30 blessing03
When sally picks any number between 1 and 20, doubles it, adds 6, divides by 2 and subtracts 3, she always gets the number she started with. why? evaluate and use algebraic evidence to support your conclusion.
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When sally picks any number between 1 and 20, doubles it, adds 6, divides by 2 and subtracts 3, she...
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