Question

Find the value of x.

Answer 1

`x + 15 + 2x = 90 \\ 3x = 75 \\ x = 25`

Answer 2

x = 25°

Explanation:

It's right triangle

So 2x + x + 15 = 90°

3x + 15 = 90°

3x = 75

x = 25°