2(y−4)=4
(2)(y)+(2)(−4)=4
2y+−8=4
2y−8=4
2y−8+8=4+8
2y=12
y=6 is correct answer.
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Answer: (x) =
Step-by-step explanation:
f(x) = 9x - 8 , to find the inverse of f(x) , replace f(x) with y , then the equation becomes
y = 9x - 8 , then make x , the subject of the formula ,
9x = y + 8
x =
Finally , replace x , with (x) and y with x , so we have
(x) =