Math 35

Quiz 1

Dr. Wilson

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1. Remove parentheses

2(x - 5)

2. Combine like terms

3x + 5 - x + 4

3. Remove parentheses and combine like terms

2(x - 3) - (x - 4)

In 4 - 10, solve for   x   and check.

4

x + 2 = 5

5.

x - 1 = 6

6.

2x = 10

7.

x/3 = 4

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8.

2x + 5 = 11

9.

x + 7 = 3x - 1

10.

2(3x + 5) - (x - 3) = 2x - 6

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?

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