Matematika Sekolah Menengah Pertama Ralat...no 1. (8y-5) nilai y=​

rosalindskilesulv – March 06, 2023

Ralat...
no 1. (8y-5)
nilai y=​

Jawaban :

A. Nilai X

(2x + 10)° + (8x - 5)° = 180°

2x° + 8x° = 180° - 10° + 5°

10x° = 175°

x° = 175° / 10°

x° = 17,5°

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