Question 158281
Is the equation {{{2*sqrt(x+4)=8}}} ??



{{{2*sqrt(x+4)=8}}} Start with the given equation.



{{{sqrt(x+4)=4}}} Divide both sides by 2.



{{{x+4=16}}} Square both sides.



{{{x=16-4}}} Subtract {{{4}}} from both sides.



{{{x=12}}} Combine like terms on the right side.



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Answer:


So the answer is {{{x=12}}}