Question

Is my answer correct?

Answer 1

Yes your answer is correct

Answer 2

yes

Explanation:

if m and n are parallel then 15x+10 +6x2 must be equal to 180

let's check

15x + 10 + 6x + 2➡21x + 12 =180 ➡21x=180 -12 ➡21x = 168 ➡x= 8

your answer is correct