Question

решите уравнение пожл

Answer 1

x+42=83-27
x+42=56
x=56-42
x=14

x/9=600/100
x/9=6
x=6*9
x=54

28/x=400/100
28/x=4
x=28/4
x=7

x-(25+19)=36
x-44=36
x=36+44
x=80