3/4х-2/3х+1=1/2x+1/6
3/4х-2/3х+1=1/2x+1/6 9/12х - 8/12х + 1 = 6/12х + 1/6 1/12х + 1 - 6/12х - 1/6 = 0 -5/12х + 5/6 = 0 -5/12х = -5/6 5/12х = 5/6 х = 5/6 : 5/12 х = 5/6 * 12/5 х = 12/6 х = 2 ОТВЕТ: 2