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3 years ago

Find an

Mathematics

1 answer:

alina1380 [7]3 years ago

5 0

Answer:

5x + 13y

Step-by-step explanation:

-x + 9y- (-6x) + 4y

-x + 9y + 6x +4y

(-x + 6x) + (9y + 4y)

5x + 13y

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