19-2(3x+8)=2x-37 19-2(3-2x)=2x-37
19 - 2 * (3х - 8) = 2х - 37 19 - 6х - 16 = 2х - 37 3 + 37 = 2х + 6х 40 / 8 = х 5 = х 19 - 2 * (3 - 2х) = 2х - 37 19 - 6 + 4х = 2х - 37 3 + 37 = 2х - 4х 40 = -2х 40 / -2 = х -20 = х