Kunci Jawaban Matematika Kelas 8 Halaman 30 31 32 33, Ayo Kita Berlatih 1.5

- 2a = 1

a = ½

- 30 + b = 2

3 x ½ + b = 2

b = 2 – 3/2 = ½

- a + b + c = 1

½ + ½ + c = 1

1 + c = 1

c = 1- 1 = 0

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