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Mathematics, 06.04.2021 22:30 hannahkharel2

If x, y, z and L are proportional
quantities, prove that: 3x+ 5z/ 7x+z = 3y+5L/7x+ L

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If x, y, z and L are proportional
quantities, prove that: 3x+ 5z/ 7x+z = 3y+5L/7x+ L...
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