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2-x3/4=-5
We move all terms to the left:
2-x3/4-(-5)=0
We add all the numbers together, and all the variables
-x3/4+7=0
We multiply all the terms by the denominator
-x3+7*4=0
We add all the numbers together, and all the variables
-1x^3+28=0
We do not support expression: x^3
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