Question

Is this correct? find value of x on triangle

Answer 1

image attached. question: Find the value of x.

my answer:
90 + (2x) + (x + 15) = 180

90 + 2x + x + 15 = 180

105 + 3x = 180

105 + 3x - 105 = 180 - 105

3x = 75

3x/3 = 75/3

x = 25

Answer 2

yeah :))

Answer 3

Thanks:)

Answer 4

To see if you're correct substitute x values in the right positions of the angles and see if the sum of the triangle equal to 180 degrees then your right