jawab pakai cara ya pliss tolong beso dikumpul nah. pakai cara ya makasih banya jo
Matematika
SilvaAriska160602
Pertanyaan
jawab pakai cara ya pliss tolong beso dikumpul nah. pakai cara ya makasih banya jo
1 Jawaban
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1. Jawaban Wiraa
Penyelesaian:
b. [tex] \frac{1}{3} (6x + 9) = \frac{1}{4} (2x + 4)[/tex]
2x + 3 = 1/2.x + 1
3/2.x = -2
3x = -4
x = -4/3
c. 2 - 3(1 - 2x) = 5 - 2(2x + 3)
2 - 3 + 6x = 5 - 4x - 6
-1 + 6x = -4x - 1
6x + 4x = 0
10x = 0
x = 0
d. [tex] \frac{2x - 11}{3} + 5 = \frac{1 + x}{2} - 4[/tex]
[tex] \frac{2x - 11 + 15}{3} = \frac{1 + x - 8}{2} [/tex]
[tex] \frac{2x + 4}{3} = \frac{x - 7}{2} [/tex]
4x + 8 = 3x - 21
x = -29
e. [tex] \frac{4x + 3}{3} + \frac{4}{3} (1 - x) = \frac{6x + 5}{3} [/tex]
4x + 3 + 12/5(1 - x) = 6x + 5 (kedua ruas di kali 3)
4x + 3 + 12/5 - 12/5.x = 6x + 5
8/5.x + 27/5 = 6x + 5
22/5.x = 2/5
22x = 2
x = 1/11