Simplfyy -3x plus7y plus21y -21

Leifericf asked Sep 26, 2023

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Leifericf asked Sep 26, 2023

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20 votes

Answer:

-3x + 28y - 21

Explanation:

$7y+21y=28y\\=-3x+28y-21$

• Add the similar factors and carry over the uncommon factor, -3x.

Estebanuri answered Sep 30, 2023

2.9k points

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