Respuesta :

f(-7)=5-(-7)
f(-7)=5+7
f(-7)=12

Answer:

[tex]f(-7)=12[/tex]

Step-by-step explanation:

[tex]f(x)=5-x\\\\\text{Substitute 'x' for '-7' and solve.}\\\\f(-7)=5-(-7)\\\\f(-7)=5+7\\\\\boxed{f(-7)=12}[/tex]

Hope this helps.

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