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(x+7)/(x^2-49)=0
Domain of the equation: (x^2-49)!=0We multiply all the terms by the denominator
We move all terms containing x to the left, all other terms to the right
x^2!=49
x^2!=49/
x^2!=√1/0
x!=1
x∈R
(x+7)=0
We get rid of parentheses
x+7=0
We move all terms containing x to the left, all other terms to the right
x=-7
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