Question

X+2y=5 x+y=3
2x+y=4 2x+3y=5

Answer 1

{x+2y=5

{2x+y=4

x=5-2y

2(5-2y)+y=4

10-4y+y=4

-3y=-6

y=-6/-3

y=2

x=5-2.2

x=5-4

x=1

{x+y=3

{2x+3y=5

x=3-y

2(3-y)+3y=5

6-2y+3y=5

y=5-6

y=-1

x=3-(-1)

x=3+1

x=4

Espero ajudar ❤