SOLUTION: Find f(x) if it is known that f(x+5)=x+12.
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Question 1141351: Find f(x) if it is known that f(x+5)=x+12.
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
f(x+5) = x + 12 = (x+5)+7 -->
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To see this more clearly, use a different letter for the independent vsriable, then set it equal to x+5 as a 2nd step:
f(w) = w+7
Now set w=x+5:
f(x+5) = (x+5)+7 = x+12
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