Perhatikan gambar disamping.nilai x=….​

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Perhatikan gambar disamping.nilai x=....​

Perhatikan gambar disamping.nilai x=….​

Jawab:

B

Penjelasan dengan langkah-langkah:

2x + 6) + (6x-4) + (3x+13) = 180

11x + 15 = 180

11x = 180 – 15

11x = 165

x = 165/11

x = 15