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For what value of x is the rational expression below equal to zero 20+2x/5-x

For what value of x is the rational expression below equal to zero 20+2x/5-x
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For what value of x is the rational expression below equal to zero 20+2x/5-x

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User Iyuna
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(20+2x)/(5-x)=0;\ \ \ \ D:x\\eq5\\\\(20+2x)/(5-x)=0\iff20+2x=0\\\\2x=-20\ \ \ \ /:2\\\\x=-10\in D
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User Jakobk
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