Tentukan nilai x tolong bantuannya makasih​

Jawaban:

43°

Penjelasan dengan langkah-langkah:

(3x-25)° + (2x-10)° = 180°

= 5x – 35 = 180°

5x = 180 + 35

= 215

x = 215/5

= 43°

Bukti:

(3x – 25 ) + (2x – 10)

= (3×43-25) + (2×43-10)

= 104° + 76°

= 180°✔