Question

Find the value of x from the given figure:​

Answer 1

60°

Explanation:

2x and x are linear pair,

=> 2x + x = 180

=> 3x = 180

=> x = 180/3

=> x = 60°

=>2x =120°

Answer 2

x = 60

Explanation:

x + 2x = 180 {linear pair}

Combine like terms

3x = 180

Divide both sides by 3

x = 180/3

x = 60