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Verified answer
14 / 21 = 12 / 12+x14(12 + x) = 12 . 21
14.12 + 14x = 12. 21
14x = (12 . 21) / (14 . 12)
14x = 3/2
x = 3/2 . 14
x = 21 cm
14 / 21 = y / y+5
14(y + 5) = 21.y
14y + 14.5 = 21y
14.5 = 21y - 14y
14.5 = 7y
14.5 / 7 = y
10 cm = y
Maaf yang b nya kurang tau caranya
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