Tolong kerjain pak atau Bu soal nya besok dikumpulkan .

1. 180= 2x +5+57°
124°=2x+5
119° = 2x
x= 59,5°

2. 180 = 7x+5x
180 = 12x
x = 15°

7x = 7 . 15
= 105°

5x = 5 . 15
= 75°