Question

What is the value of x if m ∠ 5 = 10x + 5 and m ∠ 3 = 8x - 5

Answer 1

x = 10

Explanation:

∠ 5 and ∠ 3 are same- side interior angles and sum to 180° , that is

10x + 5 + 8x - 5 = 180 , so

18x = 180 ( divide both sides by 18 )

x = 10