SOLUTION: What does x equal when x^2+12^2=(18-x)^2

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Question 968707: What does x equal when x^2+12^2=(18-x)^2
Answer by lwsshak3(11628) About Me  (Show Source):
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What does x equal when
x^2+12^2=(18-x)^2
x^2+144=324-36x+x^2
36x=324-144=180
36x=180
x=5