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28-09-2020
Mathematics

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Simplify the following expression: 3x - 5x - 7y + 9x + 4y =

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itzmeshlok itzmeshlok

28-09-2020

Answer:

7x-3y

Step-by-step explanation:

3x-5x-7y+9x+4y

3x-5x+9x-7y+4y

7x-3y

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