Tolong ya...buat besok soalnya.. Makasih

Materi : Program Linear
Bahasan : Persamaan Linear 1 Variabel
Jawaban : 7. x = 26/5 8. x = 13/2

Langkah - langkah :
(x + 2) / 3 = 5 - x/2
Kalikan 6
2(x + 2) = 30 - 3x
2x + 4 = 30 - 3x
2x + 3x = 30 - 4
5x = 26
x = 26/5

3 / x - 2 = 5 / x + 1
Kali silang
3(x + 1) = 5(x - 2)
3x + 3 = 5x - 10
- 5x + 3x = - 10 - 3
- 2x = - 13
x = 13/2