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

Algebra ->  Algebra  -> Absolute-value -> SOLUTION: if f(x)=4x+3 and f(x)=23 what is the value of x?       Log On

Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   

Question 228152: if f(x)=4x+3 and f(x)=23 what is the value of x?

Answer by nerdybill(5405) 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?
.
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