Question

Find the value of x in the following figu
(x + 18)​

Answer 1

Answer:

$x + (x + 18) = 180 \\ \\ 2x = 162 \\ \\ x = 81$

Answer 2

Answer:

Step-by-step explanation:

Here both x and x+18 are in a linear pair

Then, x+x+18=180

2x=180-18

x=162/2

x=81