Solving Equations Using Reciprocals

Solving Equations Using Reciprocals

by Christin Bankhead

​Solving Equations Using Reciprocals

​Example 2

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$-\frac{8}{5}b\ =\ 5$  

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$\frac{3}{8}x\ =\ -9$  

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Are the equations equivalent?

$\frac{2}{3}m\ =\ -4$   and  $-4m\ =\ 24$  

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What is the inverse (opposite of) subtracting 12?

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What is the inverse (opposite of) multiplying by - 1/8?

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What is the inverse (opposite of) adding -6

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Write the word sentence below as an equation.

A number (n) multiplied by 2/5 is 3/20