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27-3x^2/7x^2-63=-3/7
We move all terms to the left:
27-3x^2/7x^2-63-(-3/7)=0
Domain of the equation: 7x^2!=0We add all the numbers together, and all the variables
x^2!=0/7
x^2!=√0
x!=0
x∈R
-3x^2/7x^2-36-(-3/7)=0
We get rid of parentheses
-3x^2/7x^2-36+3/7=0
We calculate fractions
-36!=0
There is no solution for this equation
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