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LekaFEV [45]
2 years ago
8

13. Find the value of x.

Mathematics
1 answer:
kherson [118]2 years ago
6 0

Answer:

6x+12+3x-3=180(supplementary angle)

9x+9=180

9(X+1)=180

X+1=20

X=19

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Answer:

(x + 9)(x - 8)

Step-by-step explanation:

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Answer:

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