Помогите решить! Плиз!!!

Question

Помогите решить! Плиз!!!

---

Comments

10) 14(3+4х) 14(2х-3) 14(1-5х) __________ +6*14 = __________ - _________ 2 2 7 7(3+4х)+84=7(2х-3)-2(1-5х) 21+28х+84=14х-21-2+10х 28х-14х-10х=-21-21-84 4х=-126 Х=-31,5

Answer 1

9.
(1/6) / (1/27 * 1,4) = (1/6) / (1/108) = 1/6 * 108/1 = 18

10.
(3+4х+12)/2 = 7(2х-3)/14 - 2(1-5х)/14
7(3+4х+12)/14 = (14х-21-2+10х)/14
(21+28х+84-14х+21+2-10х)/14 = 0
128 + 4х = 0
4х= -128
х= -32