Question

помогите решить!

2(х+1)+ 1/2 (х-1)=7/4 х

Answer 1

2х+2+1/2х-1/2=7/4х
2х+1/2х-7/4х=1/2-2
3/4х=-3/2
х=-3/2:3/4=-2

Answer 2

Gj;fkeqcnf

Answer 3

2(х+1)+ 1/2 (х-1)=7/4 х
2х + 2 +1/2х - 1/2= 7/4х  (короче, домножим все числа на 4)
8х+ 8  + 2х - 2 = 7х
8х+2х - 7х= - 8+2
3х= - 6
х=  - 6 : 3
х= - 2