Question

Найдите корень уравнения 2d-110/8=-12

Answer 1

$2d-frac{110}8=-12 |*8\ 16d-110=-96\ 16d=-96+110\ 16d=14\ d=frac{14}{16}=frac{7}{8}$

Answer 2

найдите корень уравнения 2х/7= 4/7

Answer 3

(2x)/7=4/7 |*7

Answer 4

2x=4 , x=2

Answer 5

http://znanija.com/task/13349402