how your problem should be set up.

divide each side by four.




square both sides to isolate variable.



divide each dies by four


answer.


plug four into original equation


square root of 16 is four.
four times four

16=16 therefore the correct answer is x=4.

how problem should be set up.

divide both sides by five.





square both sides



divide each side by five.

answer.


plug in five to your original equation.


square root of 25 is 5
five times five

25=25 therefore, the correct answer is x=5.

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