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I swear, my brain can’t process how this go at all. Someone pls help T^T

I swear, my brain can’t process how this go at all. Someone pls help T^T-example-1
User Dpkstr
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1 Answer

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X=9 and ACD= 138. You would do 13x+21+3x+15=180. That would then go to 16x+36=180. Subtract 36 from both sides to get 16x=144. Then divide both sides by 16 leaving us with x=9.
User Gonzalo Hernandez
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