myalani2015 myalani2015

10-09-2021
Mathematics

contestada

<a and <b are vertical angels. if m<a= (5x-9)° and m<b= (8x-30)°, the. find the value of x

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wegnerkolmp2741o wegnerkolmp2741o

10-09-2021

Answer:

x=7

Step-by-step explanation:

Vertical angles are equal

5x-9 = 8x-30

Subtract 5x from each side

5x-9-5x= 8x-30-5x

-9 = 3x-30

Add 30 to each side

-9+30 = 3x-30+30

21 = 3x

Divide by 3

21/3 = 3x/3

7 = x

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