INTRODUCTORY ALGEBRA
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Math 213 Elementary Math
20. Think of a number. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number. Explain how this trick works.
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Think of a number. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number. Explain how this trick works.
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Ok so in class this is what our teacher had us do.... 1.Pick a number to represent the number of times you would like to have chocolate in a week (more than once, but less than 10 times). 2.Double this amount (just to be bold).
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Add one to a number, then double the sum, and you get 56. how do i solve it and write it as a equation (x+1)*2=56 1. divide both sides by 2 2. subtract 1 from both sides you get x=27 For all of these questions just remember that
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