Bantu ya |x+5|=|1-9x|
Matematika
lindirosita
Pertanyaan
Bantu ya |x+5|=|1-9x|
1 Jawaban
-
1. Jawaban rifdahcaca
|x+5| = |1-9x|
⇒x + 5 = 1 - 9x
x + 9x = 1 - 5
10x = -4
x = -[tex] \frac{4}{10} [/tex]
x = -[tex] \frac{2}{5} [/tex]
⇒x + 5 = -(1 - 9x)
x + 5 = -1 + 9x
x - 9x = -1 - 5
-8x = -6
x = [tex] \frac{-6}{-8} [/tex]
x = [tex] \frac{3}{4} [/tex]
HP {x | x = -[tex] \frac{2}{5} [/tex] atau x = [tex] \frac{3}{4} [/tex], x ∈ R}
semoga membantu
maaf kalo salah