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Combine like terms to write an equivalent expression for 9y−7y.

Sagot :

BrainLifting

Answer:

[tex]2y[/tex]

Step-by-step explanation:

[tex]We\ are\ given:\\9y-7y\\We\ observe\ that\ the\ terms\ 9y\ and\ -7y\ share\ a\ same\ algaebraic\ co-\\ effecient\ due\ to\ which\ they\ are\ like\ terms.\\Hence,\\9-7y\\=9y+(-7y)\\By\ applying\ distributive\ property\ of\ addition:\\9y+(-7y)=(9+(-7))y=2y[/tex]

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