Problem

A student says that his father showed him a very simple method for dealing with expressi...

A student says that his father showed him a very simple method for dealing with expressions like and x - (2x - 3). The rule is, if there is a negative sign before the parentheses, change the signs of the expressions inside the parentheses. Thus,

and x - (2x - 3) = x - 2x + 3. What is your response?

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Solutions For Problems in Chapter 5.2

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