Cara dan jawaban ada di gambar. Semoga membantu
3x+70°+8°=180
3x+78=180
3x=180-78
3x=102
x=102/3
x=34
maaf jika salah!
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Verified answer
Cara dan jawaban ada di gambar. Semoga membantu
3x+70°+8°=180
3x+78=180
3x=180-78
3x=102
x=102/3
x=34
maaf jika salah!