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Mathematics 7 Online
OpenStudy (anonymous):

solve f(3)=2x+3

OpenStudy (anonymous):

9

OpenStudy (ilovecake):

9

OpenStudy (anonymous):

f(3) = your X

OpenStudy (ilovecake):

yes it is 9

OpenStudy (anonymous):

9

OpenStudy (amistre64):

youre question makes no sense. f(3) is equal to 2x+3 means that for some f(t), f(3) = 2x+3

OpenStudy (amistre64):

if you had: f(x) = 2x+3, and you want to determine what f(3) was equal to, then let x=3

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