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∠A=5x−5,∠B=3x+13=180

1 Answer

1 vote

Answer:

x=9

Explanation:

5x - 5(3x +13)=0

5x - 3x - 13 - 5 = 0

2x -18= 0

x=18/2

x=9

User Anatoliy  Gusarov
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