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Could i get some help on this?

Could i get some help on this?-example-1
User Necrolis
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1 Answer

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Because angle 6 and 7 are opposite of each other, they are equivalent, so 3x+7=73. Subtract 7 from both sides to get 3x=66. Divide both by 3 to get x=22 (a)
User Egor Stambakio
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