(3 1/4x-1/4)*8=3 помогите срочноооо надо помогите пожалуйста
(3 1/4x-1/4)*8=3 3 1/4x-1/4=3/8 3 1/4х=3/8+1/4 3 1/4х=3/8+2/8 13/4х=5/8 х=5/8:13/4 х=5/8*4/13 х=5/2*1/13 х=5/26 (3 1/2х-1/4)*8=3 3 1/2х-1/4=3/8 3 1/2х=3/8+1/4 7/2х=3/8+2/8 7/2х=5/8 х=5/8:7/2=5/8*2/7=5/4*1/7=5/28