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

User Onefootswill
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1 Answer

15 votes
15 votes

Answer:

x=7

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

User Gnafu
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