Question

х÷9=600÷100
28÷х=400÷100
х -(25+19)=36.
решите уравнение.

Answer 1

x/9=600/100
x/9=6
x=9*6
x=54
Ответ: х=54

28/x=400/100
28/x=4
x=28/4
x=7
Ответ: х=7

x-(25+19)=36
x-25-19=36
x-44=36
x=36+44
x=80
Ответ:х=80

Answer 2

1)х/9=600/100 x/9=6 x=9*6=54
2)28/x=400/100
28/x=4
x=28/4
x=7
3)х -(25+19)=36. x-44=36
x=36+44
x=80