SOLUTION: if f(x)=4x+3 and f(x)=23 what is the value of x?

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Question 228152: if f(x)=4x+3 and f(x)=23 what is the value of x?
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
if f(x)=4x+3 and f(x)=23 what is the value of x?
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So you started with:
f(x)=4x+3
Then, they said that
f(x)=23
Substitute the above in for f(x) and solve for 'x':
23=4x+3
20=4x
5 = x