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x(5+8)/2=65
We move all terms to the left:
x(5+8)/2-(65)=0
We add all the numbers together, and all the variables
x13/2-65=0
We multiply all the terms by the denominator
x13-65*2=0
We add all the numbers together, and all the variables
x^13-130=0
We do not support expression: x^13
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