X+7/3=2x+3/5 решить уравнение
(x + 7) / 3 = (2x + 3) / 5 5( x + 7) = 3( 2x + 3) 5x + 35 = 6x + 9 5x - 6x = 9 - 35 - x = - 26 x = 26