SOLUTION: if f(x)=5x-7, then what is the solution to f(x)=4?

Algebra ->  Test -> SOLUTION: if f(x)=5x-7, then what is the solution to f(x)=4?       Log On


   

Question 1097913: if f(x)=5x-7, then what is the solution to f(x)=4?
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = 4 = 5x-7
Now you can just solve for x:
4 = 5x - 7
11 = 5x
+highlight%28x+=+11%2F5%29+
To check: plug in x=11/5 to make sure f(x)=4.