Question

Find x. Can someone please help??

Answer 1

2x + x + 54 = 180 (Angle sum property of a triangle)

3x + 54 = 180

3x = 180 - 54

3x = 126

x = 126/3

x = 42

then, x = 42

Answer 2

x + 2x + 54° = 180°

=> 3x = 180 – 54

=> 3x = 126

=> x = 126/3

=> x = 42