Question

| x - 4 |=9a. the solution are five and negative three b. solution is negative five c. the solution are three and negative five d. the solution is negative three

Answer 1

!x - 4! = 9

when we remove mode' then we apply thi method given below

$\begin{gathered} |x-4|=9 \\ \pm(x-4)=9 \end{gathered}$$\begin{gathered} x-4=9\text{ , -(x-4) = 9} \\ x=9+4\text{ , -x+4 = 9} \\ x=13\text{ , x=-9 +4 = -5} \end{gathered}$

So the answer is

negative five and thirteen.

x = 13 , - 5

the correct option is C.