Question

Can someone please answer this with step by step i really need help thank you

Answer 1

x=40

Explanation:

If m and n are parallel (symbol ||) then the blue angles must be equal.

In other words, 120 must be 3x.

Hence the solution for x is 120 divided by 3, which is 40.

Answer 2

40°

I hope it will be useful.

Explanation:

Angles on the same side of the transversal are equal.