Question

Solve the equation: |x + 5| = 9.
(Points : 4)

Answer 1

{4, 14}

Answer 2

4 is correct
14 is incorrect

Answer 3

x = 4 or x= -14

Answer 4

if |a|=b
a=b or a=-b

Answer 5

\[x+5 = \pm9\]

Answer 6

x+5=9 or x+5=-9
x=4 or x=-14

Answer 7

Therefore, we get two cases.
Case 1 : x + 5 = +9
Case 2 : x+5 = -9

Answer 8

@MandyMicheala do u understand ?

Answer 9

Yeah.