Question

in the fig, AOB is a straight line. Find the value of x.

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Answer 1

Answer:

$they \: r \: linear \: pair \\ \\ so \: 3x + 10 + 2x - 30 = 180 \\ \\ 5x - 20 = 180 \\ \\ 5x = 200 \\ \\ x = 40.....$

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Answer 2

Step-by-step explanation:

Plz check the answer from the book.