Question

Solve for x please

choices are..
20
180
25
120

Answer 1

x = 25

Explanation:

Angle on a straight line add up to 180

therefore

2x + 10 + 4x + 20 = 180

6x + 30 = 180

6x = 180- 30

6x = 150

6x/6 = 150/6

x = 25