Question

Solve for x PLEASE and THANK YOU

Answer 1

x = 5

Explanation:

Because the sides shown are parallel, the triangles are similar. That means the lengths of their sides and segments of sides are proportional.

x/(x + 10) = 10/30

x/(x + 10) = 1/3

3x = x + 10

2x = 10

x = 5