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(5× - 7y + 9) + (2× + 4y + 3)​

Sagot :

Answer:

5x - 7y +9

+ 2x + 4y +3

---------------------------

7x - 3y + 12

Correcting :

7x - 3y +12

- 2x + 4y +3 –> - 2x - 4y - 3

------------------------ -—--—--------------

+5x - 4y + 9

Step-by-step explanation:

This is correct answer

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