25-(7-2x)=5x help me please
25 - (7 - 2х) = 5х 25 - 7 + 2х = 5х 5х - 2х = 25 - 7 3х = 18 х = 18 : 3 х = 6 ------------------------- Проверка: 25 - (7 - 2*6) = 5*6 25 - (-5) = 30 25 + 5 = 30