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Mathematics 8 Online
OpenStudy (anonymous):

f(x)=2x+6/x+2. Find x if f(x)=1.

hero (hero):

x = -4

OpenStudy (anonymous):

put \[1=\frac{2x+6}{x+2}\] and solve for x via \[x+2=2x+6\] \[x=-4\]

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