Question

PLEASE I NEED HELP WITH MATH HOMEWORK

I need explanation too!!!
Question: find the value of the varible

Answer 1

x=50

Explanation:

3x+30=180

3x=150

x=50

Answer 2

Explanation:

we know something about the angles of a triangle already

A + B + C = 180°

soooo...

X + X + (X+30)= 180

3X + 30 = 180

3X = 150

X = 50 °

does that makes sense?