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Question is in the photo. I need help with (a) please

Question is in the photo. I need help with (a) please-example-1

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(a) Given:

The expressions are:


\begin{gathered} -8a+6b \\ +4a-4b \end{gathered}

To add the given expressions:

ADDITION is as follows:

Thus, we have


\begin{gathered} -8a+6b+(+4a-4b)=(-8+4)a+(6-4)b \\ -8a+6b+(+4a-4b)=-4a+2b \end{gathered}

The answer is:


-4a+2b

Question is in the photo. I need help with (a) please-example-1
User Tonatiuh
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