tolong jawab yaa sekalian buat Caranya

5x + 60 = 180
5x = 180 - 60
5x = 120
x = 120/5
x = 24

4x = 4.24 = 96
180 - 96 = 84

sudut ABC = 180 - sudut A + sudut B
= 180 - 60 + 84
= 36 derajat