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Use algebra tiles to simplify each expression.
3 + 5x – 4 – 7x 8. –x – 4x – 7 9. –(–x + 3)

User Coffeina
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Final answer:

To simplify the expression 3 + 5x - 4 - 7x, combine like terms. The simplified expression is -1 - 2x.

Step-by-step explanation:

To simplify the expression 3 + 5x - 4 - 7x, we can combine like terms. 3 and -4 are constants, so we can combine them to get -1. 5x and -7x are terms with the same variable, so we can combine them to get -2x. Therefore, the simplified expression is -1 - 2x.

User Detroyejr
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