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25-11-2020
Mathematics

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simplify this expression: 3c + 7 - 9c

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chiarag305 chiarag305

25-11-2020

Answer:

-6c + 7

Step-by-step explanation:

To simplify this expression, you must add like terms. Because 3c and -9c both have the same variable (c), they are like terms.

3c + (-9c) = -6c

The 7 stays the same, so the simplified expression is -6c + 7.

Hope this helped :)

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