QUIZZ
05 - 02 - 2023
|2x + 5| = 7
berapakah himpunan penyelesaian?
05 - 02 - 2023
|2x + 5| = 7
berapakah himpunan penyelesaian?
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Verified answer
Materi : Konsep Mutlak
|2x + 5| = 7
(1) f(x) = 7
2x + 5 = 7
2x = 7 - 5
2x = 2
x = 1
(2) - f(x) = 7
-( 2x + 5 ) = 7
- 2x - 5 = 7
2x = - 7 - 5
2x = -12
x = -6
HP = { x | x = -6 atau x = 1 }
Semoga bisa membantu
[tex] \boxed{ \colorbox{navy}{ \sf{ \color{lightblue}{ Answer\:by\: BLUEBRAXGEOMETRY}}}} [/tex]
|2x + 5| = 7
2x + 5 = 7 V 2x + 5 = -7
x1 = 7 - 5/2 V x2 = -7 - 5/2
x1 = 2/2 V x2 = -12/2
x1 = 1 V x2 = -6
HP = {-6,1}
[tex]{\color{aqua}{\boxed{\tt{CaptainInnovaGR}}\:}}[/tex]