ППомогите срочно 6х+1/2х-4=5
6х+1 = (2х - 4)*5 6х+1 = 10х - 20 1 + 20 = 10х - 6х 21 = 4х х = 21/4 = 5 1/4
6x+1/2x-4=5 6x+1/2x=5+4 6x+1/2x=9 6x+3x=9 9x=9 x=9:9 x=1