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1. Remove parentheses

2. Combine like terms

3. Remove parentheses and combine like terms

In 4 - 10, solve for *x* and check.

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11. Suppose
you get a job selling T-shirts at a concert. You get $2 for each T-shirt you sell, but it costs you $5 to get into the
concert. Let *x* represent the number of T-shirts you sell, and express the amount of money you will get out of this deal as a function of *x*. How many T-shirts will you have to sell to come home with $25?