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Mathematics 20 Online
OpenStudy (anonymous):

Find x if f(x) = 2x + 7 and f(x) = -1.

OpenStudy (imstuck):

Do you know what it means when you are told that f(x)= -1? Do you know what you are supposed to do with that -1?

OpenStudy (anonymous):

Since f(x) = f(x) always, then 2x+7=(-1). Solve for x.

jimthompson5910 (jim_thompson5910):

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