(x+18)2=9

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Solution for (x+18)2=9 equation: 



(x+18)2=9

We move all terms to the left:

(x+18)2-(9)=0

We multiply parentheses

2x+36-9=0

We add all the numbers together, and all the variables

2x+27=0

We move all terms containing x to the left, all other terms to the right

2x=-27

x=-27/2

x=-13+1/2

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