SOLUTION: Solve for the unknown variable: 9n^2=81
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Question 274499: Solve for the unknown variable: 9n^2=81
Answer by chashmish(8) (Show Source): You can put this solution on YOUR website!
9n^2=81
now you bring 9 to the other side
n^2=81/9
n^2= 9
now u find that what square =9
answer is 3*3=9
therfore , 3^2=9
n=3
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