Math, asked by shivani5057, 2 months ago

please write your answer correctly..

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Answers

Answered by siddharth0105

2

Answer:

16

Step-by-step explanation:

180-129= 51

51+5x-4+4x-11 = 180 (ASP OF TRIANGLE)

51+9x-15= 180

36+9x= 180

9(4+x)= 180

4+x= 20

x= 20-4

x= 16

Answered by Anonymous

1

Answer:

5x-4+4x-11=129

9x-15=129

9x=129+15

9x=144

x=144/9

x=16°

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