Question

GEOMETRY - Find the value of x

Answer 1

x = 20.

Explanation:

The 2 marked angles add up to 180 degrees (by the parallel line theorems)

4x - 12 + 7x - 28 = 180

11x = 180 + 12 + 28

11x = 220

x = 20

Answer 2

Answer: x=20

Explanation:

180=(4x-12)+(7x-28)

180+12+28=220

220/11=20