SOLUTION: my son has brought an alegebra worksheet home and he needs help with working these types of problems. f(x)=4x-2y, find f(7)

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Question 416573: my son has brought an alegebra worksheet home and he needs help with working these types of problems.
f(x)=4x-2y, find f(7)

Answer by josmiceli(19441) About Me  (Show Source):