Question

Solve for x:

x =
The options for the answer is
30
45
22.5
PLEASE ANSWER THIS I REALLY NEED IT

Answer 1

Hey,

3x+x=4x

180-90=90

90÷4=22.5

x=22.5

Answer 2

3x + x + 90 = 180

4x + 90 =180

4x = 180 - 90

4x = 90

x =22.5