find the value of x. pls answer now.
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Answer:
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X= 28
Step-by-step explanation:
We know that
∠AOC + ∠COD + ∠DOB = 180⁰
3x - 7 + 55 + x + 20 = 180
4x + 68 = 180
4x = 180 - 68
4x =112
x = 112/4
x = 28
Checking
3x - 7 + 55 + x + 20 = 180
3 x 28 - 7 + 55 + 28 + 20 = 180
So, our answer is correct