Ответ:
{ (x+y)^2=49
x-y=3
{ x+y=7
y=x-3
x+x-3=7
2x=7+3
2x=10
x=5
5-y=3
y=2
{x=5
y=3
Ответ:(5;3)
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
{ (x+y)^2=49
x-y=3
{ x+y=7
x-y=3
{ x+y=7
y=x-3
x+x-3=7
2x=7+3
2x=10
x=5
5-y=3
y=2
{x=5
y=3
Ответ:(5;3)