Question

The solution for the eqn.x+y=0 and 2x-2y=4 is


x=2, y=-2

x=-1,y=1

x=1,y=-1

No solution​

Answer 1

Step-by-step explanation:

The answer is x=1,y=-1

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Answer 2

x = 1 , y = -1

x + y = 0

x = -y

2x - 2y = 4

x - y = 2

(-y) -y = 2

-2y = 2

y = -1

x = -(-1) = 1

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