Срочно 4(x-2)-2(3x+1)=12
4(х - 2) - 2(3х + 1) = 12 4х - 8 - 6х - 2 = 12 4х - 6х = 12 + 8 + 2 - 2х = 22 х = 22 : (-2) х = - 11 ----------------------------------- Проверка: 4(-11 - 2) - 2(3*(-11) + 1) = 12 4 * (-13) - 2 * (-32) = 12 - 52 + 64 = 12 12 = 12