Question

решите уравнение 3/4(x+8)=2x+1

Answer 1

0.75х+6=2х+1
6-1=2х-0.75х
5=1.25х
х=5/1.25
х=4
(0.75 = 1/4)

Answer 2

везде 0.75 меняй на 3/4... 0.25 на 1/4

Answer 3

спс