Question

Как решать пропорции типа
(x+3)/x=3/2
или
(x+9)/x=4/3

Answer 1

(x+3)/x = 3/2
2x + 6 = 3x
2x - 3x = -6
-x = -6
x = 6
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(x+9)/x = 4/3
3x + 27 = 4x
3x - 4x = -27
-x = -27
x = 27
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