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Combine Like Terms and see if the expressions are equivalent or not.

6x-4-x

6x-x-4

5x-4

Is 5x-4 equivalent to 7x-4? No.

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Answer:

Sample Response: 6x − x = 5x. The new expression is now 5x − 4. This is not equivalent to 7x − 4.

Step-by-step explanation: