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nevsk [136]
3 years ago
7

For what value of x is the rational expression below when x is equal to 4? X+20/x+4

Mathematics
1 answer:
arlik [135]3 years ago
7 0

x+20/x+4

↓

4+20/4+4

↓

4+5+4=13



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<h2>In the attachment.</h2>

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|a|=\left\{\begin{array}{ccc}a&for\ a\geq0\\-a&for\ a

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