Question

2x+y=5

x-y=1

S= 2,1
preciso da conta please!​

Answer 1

{2x + y = 5

{x - y = 1

2x + x = 5 + 1

3x = 6

x= 6/3

x= 2

2x + y = 5

2 • 2 + y = 5

4 + y = 5

y= 5 - 4

y= 1

S= ( 2 , 1)