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Answer :

15x - 63 + 108 = 180

15x + 45 = 180

15x = 135

x = 9

hope this helped!
Hahaechogo

Answer:

x=9

Step-by-step explanation:

180-108=72 so the equation using x has to equal 72

(15x-63)=72

+63

15x=135

divide by 15

x=9

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