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Problem 344 a) What is 2-(x+2)+x? Well, here's the answer: whenever there is a minus behind the parentheses, then the symbol inside the parentheses will change to the opposite. The opposite of - is +. And the opposite of * is division. So, the simplified
Alright, so the answer has to be 30. Here's why: first, we think, what is 1 part of 3/4. Well, 1/4+1/4+1/4=3/4. So 1 part of 3/4 has to be 1/4. Now I want you to remember this. Of means times(*). For example, 3/4 of 5/10. There is the word "of ". That

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