Step-by-step explanation:
[tex](18x + 2) + (10x + 10) = 180[/tex]
by corresponding angle theorem
[tex]10x + 18x + 2 + 10 = 180[/tex]
[tex]28x + 12 = 180[/tex]
[tex]28x = 180 - 12[/tex]
[tex]28x =1 68[/tex]
[tex]x = \frac{168}{28} [/tex]
[tex]x = 6[/tex]
have a nice day
