(2x + 8)° + (2x - 20)° = 180
2x + 8 + 2x - 20 = 180
(2 + 2)x - (20 - 8) = 180
4x - 12 = 180
4x = 180 + 12
4x = 192
x = 192/4
x = 48 (D)
Penjelasan dengan langkah-langkah:
Semoga membantuu
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-----
(2x + 8)° + (2x - 20)° = 180
2x + 8 + 2x - 20 = 180
(2 + 2)x - (20 - 8) = 180
4x - 12 = 180
4x = 180 + 12
4x = 192
x = 192/4
x = 48 (D)
-----
-----
Penjelasan dengan langkah-langkah:
Semoga membantuu