6x+15-4
6x+11
Hope this helps
Answer:
Step-by-step explanation:
this is were they should go
Answer: 9
is the value of "x".
Answer:
A
Step-by-step explanation:
Answer:
(x) = 
Step-by-step explanation:
let y = f(x) and rearrange making x the subject, that is
y = 5x + 4 ( subtract 4 from both sides )
y - 4 = 5x ( divide both sides by 5 )
= x
change x to
(x) and y back to x, thus
(x) = 