1) 6/2x+1=8/7 2) 2+3x/4=5/9 /-дробь ! - вопрос №5964860162187223459 от nactya201613 20.04.2021 08:54

Question

Математика: 1) 6/2x+1=8/7 2) 2+3x/4=5/9 /-дробь !

nactya201613 · Answer

1)6/2х + 1 = 8/73х = 8/7 - 7/73х = 1/7 | : 3х = 1/7 : 3/1х = 1/7 * 1/3х = 1/212)2 + 3/4х = 5/93/4х = 5/9 - 23/4х = 5/9 - 18/93/4х = -13/9 | : 3/4х = -13/9 : 3/4х = 13/9 * 4/3х = 52/27(выделить целую часть)...