Hey!
Hope this helps...
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To solve this answer and find the value of x, all we will be doing is basic math...
65+ 6x + 3x + 9 + 65=180
Now... Re-arrange the terms
6x + 3x + 9 + 65 + 65 = 180
9x + 9 + 65 + 65 = 180
9x + 74 + 65 = 180
9x + 139 = 180
9x = 41
x = (41 / 9)
x ~ 4.55556
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The symbol ~ means the approximate value of the variable...