Matematika Perhatikan gambar dibawah ini.​

Perhatikan gambar dibawah ini.​

[tex]3x - 5 + x + 10 + 95 = 180 \\ 4x + 100 = 180 \\ 4x = 180 - 100 \\ 4x = 80 \\ x = \frac{80}{4} \\ x = 20 \\ \\ 3x - 5 \\ 3.20 - 5 \\ 60 - 5 \\ 55[/tex]

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