Question

5- 2x/3 = 7 помогите

Answer 1

перенеси просто
-2х/3=2
-2х=6
х=-3

Answer 2

5-2х/3=7
2х/3=-7+5
2х/3=-2
х=-2/(2/3)*
х=-2*1,5
х=-3
*2/3 дробь