Question

What should be multiplied by-28/39 so that the product is the multiplicative invere of 3/7
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Answer 1

Answer:

-3.25

Step-by-step explanation:

Multiplicative inverse of 3/7=7/3

so therefore

$\frac{-28x}{39} =\frac{7}{3}\\ -84x=273\\\frac{273}{-84}=x\\ x=-13/4\\x=-3.25$

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