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19-02-2021
Mathematics

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Combine Like Terms:
9) 20y +4 + 2y
10. 5x – 2y + 12 z + 6y
11. 6x - 4 + 3y - 2y - x + 10

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annacope24 annacope24

19-02-2021

Answer:

9. 20y + 2y to get 22y +4

10.-2y - 6y = 4y to get 5x + 12z +4y

11. 5x +1y + 6

Step-by-step explanation:

If a - is next to a number then it becomes negative and if it has a letter like y add or subtract it’s to the other y

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