Question

The solution of the equations x-y=2 and x+y=4 is


3 and 1

5 and 3

-3 and -1

Other:


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Answer 1

Answer:

(3,1)

Step-by-step explanation:

x-y =2

+x+y =4

______

2x = 6

x = 6/2

X = 3

substitute in equation x+y =4

3+y = 4

y = 4-3

y = 1

Answer 2

Answer:

x-y =2. ........(I)

x+y=4. .........(ii)

by adding I and ii x-y+x+y=6

2x=6

x=3

by subtracting I from ii

x+y-x+y=2

2y=2

y=1

x,y=3,1

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