X+3/4-x/2=3 помогите плиз

Question

X+3/4-x/2=3 помогите плиз

Answer 1

Х+3/4-2х/4=3
4х/4+3/4-2х/4=3
(2х+3)/4=3
2х+3=3*4
2х+3=12
2х=12-3
2х=9
х=4,5=4 1/2