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X3+X13+X19=40.
We move all terms to the left:
X3+X13+X19-(40.)=0
We add all the numbers together, and all the variables
X3+X13+X19-40=0
We add all the numbers together, and all the variables
X^3+X^13+X^19-40=0
We do not support eXpression: X^3
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