Question

quais são esses números ?:::::::'urgente me expliquem

Answer 1

x+y=10√2
x/y=7/3

3x=7y
x=7y/3

7y/3+y=10√2
7y+3y/3=10√2
10y=30√2
y=3√2

x+3√2=10√2
x=7√2