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-8+p/2=-4
We move all terms to the left:
-8+p/2-(-4)=0
We add all the numbers together, and all the variables
p/2-4=0
We multiply all the terms by the denominator
p-4*2=0
We add all the numbers together, and all the variables
p-8=0
We move all terms containing p to the left, all other terms to the right
p=8
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