Answer:
Hi! The answer to your question is 
How to solve is whenever there is an x, replace it with a -4 so the problem would be set up like this 11-(-4) and at that point you can just solve it in a calculator
Step-by-step explanation:
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☁Brainliest is greatly appreciated!!☁
<em>Hope this helps!!</em>
<em>- Brooklynn Deka</em>