Question

номер 14
4.8/x=-1,2/5
-2/3x+4=3-1/2x

Answer 1

решение в приложении 

Answer 2

4,8/х = -1,2/5
х = - 4,8 * 5 / 1,2
х = -20
-2/3х + 4 = 3 - 1/2х
2/3х - 1/2х = 4 - 3
1/6х = 1 
х = 6