the answer is
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because the -4 is less than -7
The answer just keeps coming back to zero dude it's simple you can't really calculate this either way the value of it would just be zero you can't simplify it or anything
a is the best way to find it if there is points involved so keep that in mind
Not really sure what exactly you are asking, but maybe a bar graph?
Are you solving for X? If so, your answer will be x=-3. Hope this helps!