19-2(3x+8)=2x-37






















19-2(3-2x)=2x-37

19 - 2 * (3х - 8) = 2х - 3719 - 6х - 16 = 2х - 373 + 37 =  2х + 6х40 / 8 = х5 = х19 - 2 * (3 - 2х) = 2х - 3719 - 6 + 4х = 2х - 373 + 37 = 2х - 4х40 = -2х40 / -2 = х-20 = х