2 years ago

X+y=0 x-y+2=0 i need help

Mathematics

1 answer:

Irina-Kira [14]2 years ago

5 0

Answer:

x=-1,y=1

Step-by-step explanation:

x+y=0

x-y+2=0

Therefore 0=x+y

x-y+2=x+y

2y=2

y=1

x+1=0

x=-1

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