(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

I'm also having trouble with this Jacobean problem. I really could use some help:

Evaluate ∫∫(x+y)dxdy over y=x,y=x-5,y=-x,x+y=5

2. Relevant equations

3. The attempt at a solution

I know that if I can get u and v correct this becomes a simple integral, but I have no idea what to make u and v and how to set my limits

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# Jacobean Problem

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