SOLUTION: 3A+2A-(4A+7)

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Ok, first you are going to combine like terms, therefore adding 3a + 2a. You'll get 5a, right? Of course.

Now your expression looks like this:

Alright, you gotta get rid of that pesky little minus sign, so distribute it throughout the parenthesis.



Combine like terms again.



And there's your answer.