Respuesta :

Answer:

x=1 y=5

Step-by-step explanation:

y-x= 4

to find y

add x to both sides

y=4+x

x+y= 6

substitute y in

x+4+x=6

4+2x=6

subtract 4 from both sides

2x=2

x=1

substitute x=1

1+y=6

subtract 1 from both sides

y=5

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