3 years ago

The lcd of 3/5, 5/16, 6/20

Mathematics

1 answer:

Alchen [17]3 years ago

6 0

The answer to the question is 80

48/80, 25/80, 24/80

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3 years ago

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Vesnalui [34]

Answer:

Step-by-step explanation:

1) 4x -3

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$3) \dfrac{3x - 21}{7}\\\\x = -7\\\\\\\dfrac{3*(-7)-21}{7}=\dfrac{-21-21}{7}=\dfrac{-42}{7}=-6\\\\\\x = 14\\\\\dfrac{3*14-21}{7}=\dfrac{42-21}{7}=\dfrac{21}{7}=3\\\\\\x=0\\\\\dfrac{0-21}{7}=\dfrac{-21}{7}=-3\\\\$

$\dfrac{3x}{7}-21\\\\\\x = -7\\\\\dfrac{3*(-7)}{7}-21=-3-21=-24\\\\\\x =14\\\\\dfrac{3*14}{7}-21=3*2-21=6-21=-15\\\\\\x=0\\\\\dfrac{0}{7}-21=-21$

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2 years ago

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3 years ago

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alternate form- 14.69

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