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13. Find the value of x.
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1 vote
13. Find the value of x.

13. Find the value of x.-example-1
User CuongHuyTo
by
7.6k points

1 Answer

2 votes

Answer:

6x+12+3x-3=180(supplementary angle)

9x+9=180

9(X+1)=180

X+1=20

X=19

User Michael Krause
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7.7k points
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