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➷ Subtract 9 from both sides to isolate x
x + 9 = 12
x = 12 - 9
Solve:
x = 3
<h3><u>
✽</u></h3>
➶ Hope This Helps You!
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➶ Have A Great Day ^-^
↬ ʜᴀɴɴᴀʜ ♡
<span>Helped people to have better lifes
</span>
It seems to be true from the other dudes answer
The answer is <span>b) unrestricted submarine warfare.
Hope this helps <3</span>
