2 years ago

Which value for x makes this sentence true? ( 8th Grade math )

Mathematics

2 answers:

scZoUnD [109]2 years ago

7 0

It’s C x=5 is the answer

fenix001 [56]2 years ago

6 0

The answer is x=5 :)

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VARVARA [1.3K]

<h3>Solution</h3>

$\begin{aligned}\frac{1}{h-5}+\frac{2}{h+5}&=\frac{16}{h^2-25}\\\frac{(h+5)+2(h-5)}{(h-5)(h+5)}&=\frac{16}{h^2-25}\\\frac{h+2h+5-10}{h^2-25}&=\frac{16}{h^2-25}\\\frac{3h-5}{\cancel{h^2-25}}&=\frac{16}{\cancel{h^2-25}}\\3h-5&=16\\3h&=16+5\\3h&=21\\h&=\frac{21}{3}\\h&=7\end{aligned}$

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2 years ago

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Answer:

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