Question 122187

{{{f(x)=2x-5}}} Start with the given function.



{{{f(a+3)=2(a+3)-5}}} Plug in {{{x=a+3}}}. In other words, replace each x with {{{a+3}}}.



{{{f(a+3)=2a+6-5}}} Distribute



{{{f(a+3)=2a+1}}} Combine like terms