23-05-2022
Mathematics

contestada

find the value of X that will make A||B

find the value of X that will make AB class=

Respuesta :

23-05-2022

Answer:

x = 20

Step-by-step explanation:

These 2 angles are supplementary which means they add up to 180:

5x + 9 + 3x + 11 = 180

8x + 20 = 180

8x = 180 - 20

8x = 160

x = 20

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