Answer:
x = 29
Explanation:
The sum of the 3 angles in a triangle = 180°
sum the 3 angles and equate to 180
3(x + 2) + 52 + 35 = 180 , that is
3(x + 2) + 87 = 180 ( subtract 87 from both sides )
3(x + 2) = 93 ( divide both sides by 3 )
x + 2 = 31 ( subtract 2 from both sides )
x = 29