30-x=(40-x)5/3

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30-x=(40-x)5/330-x=(40-x)5/330-x=(40-x)5/390-3x=200-5x2x=110x=55X=5590-3X=200-5X∴2X=110X=5530-x=(40-

30-x=(40-x)5/3
30-x=(40-x)5/3

30-x=(40-x)5/3
90-3x=200-5x
2x=110
x=55

X=55 90-3X=200-5X ∴2X=110 X=55

30-x=(40-x)5/3
(30-x)×3=(40-x)×5
90-3x=200-5x
5x-3x=200-90
2x=110
x=55