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Mathematics 23 Online
OpenStudy (anonymous):

Given the function f(x) = −2x + 8, find x if f(x) = 22.

OpenStudy (eyust707):

they say "f(x) = 22"

OpenStudy (eyust707):

that means literally that f(x) is equal to 22

OpenStudy (eyust707):

therefore we can change "f(x)" to "22"

OpenStudy (eyust707):

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