Question

Soal tentang Persamaan Linier
Tolong dijawab yg lengkap
Mksh

Answer 1

13. x/2 × 7/x = -10
(7/2) x = -10
3 1/2 x= -10
x= - 2,85
14. 1/2 x = 9 - 3
1/2 x= 6
x= 12
15. 1/x - 1/2 = 1/3
1/x= 1/3+ 1/2
1/x= 5/6
x= 6/5

kalau gak salah kaya gitu