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7-x^2/x^2+2x-63=0
Domain of the equation: x^2!=0We add all the numbers together, and all the variables
x^2!=0/
x^2!=√0
x!=0
x∈R
-x^2/x^2+2x-56=0
Fractions to decimals
2x-56+1=0
We add all the numbers together, and all the variables
2x-55=0
We move all terms containing x to the left, all other terms to the right
2x=55
x=55/2
x=27+1/2
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