xvzfupnm8i xvzfupnm8i

03-03-2022
Mathematics

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Please helpI have to do this and I don’t know the answer

Please helpI have to do this and I dont know the answer class=

Respuesta :

jimrgrant1 jimrgrant1

03-03-2022

Answer:

x = 17

Step-by-step explanation:

5x - 18 and 4x + 45 are adjacent angles on as straight line and sum to 180° , so

5x - 18 + 4x + 45 = 180 , that is

9x + 27 = 180 ( subtract 27 from both sides )

9x = 153 ( divide both sides by 9 )

x = 17

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