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

Sagot :

[tex]\frac{20+2x}{5-x}=0;\ \ \ \ D:x\neq5\\\\\frac{20+2x}{5-x}=0\iff20+2x=0\\\\2x=-20\ \ \ \ /:2\\\\x=-10\in D[/tex]

Answer:

-10

Step-by-step explanation:

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