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Mathematics 9 Online
OpenStudy (anonymous):

For the function f(x) = 3x+2, find x such that f(x) = 14, please help :)

OpenStudy (anonymous):

Multiply 14(3) and 14(2)

OpenStudy (phi):

ivette, that is backwards you are told f(x) = 14 or (because f(x) = 3x+2) 3x+2 = 14

OpenStudy (ivettef365):

oh ok, I see

OpenStudy (phi):

it is a bit of a trick question....

OpenStudy (ivettef365):

thought about f(14)

OpenStudy (ivettef365):

so 14 = 3x + 2 -2 -2 --------------- 12 = 3x so x = 4

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