a. 6 : (6 + x) = 4 : (4 + 2) ↔ 4 (6 + x) = 6 (4 + 2) ↔ 24 + 4x = 6 × 6 ↔ 4x = 36 – 24 ↔ 4x = 12 ↔ x = 12/4 = 3
b. y : (y + 4) = 6 : (6 + x) ↔ y (6 + 3) = 6 (y + 4) ↔ y (9) = 6y + 24 ↔ 9y – 6y = 24 ↔ 3y = 24 ↔ y = 24/3 = 8
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Jika soal yang dimkasud sama seperti yang terlampir, berikut jawabannya.
a. 6 : (6 + x) = 4 : (4 + 2)
↔ 4 (6 + x) = 6 (4 + 2)
↔ 24 + 4x = 6 × 6
↔ 4x = 36 – 24
↔ 4x = 12
↔ x = 12/4 = 3
b. y : (y + 4) = 6 : (6 + x)
↔ y (6 + 3) = 6 (y + 4)
↔ y (9) = 6y + 24
↔ 9y – 6y = 24
↔ 3y = 24
↔ y = 24/3 = 8