Question

10. The solution of the equations x - y
2 and x + y = 4 is: (A) 3 and 5
(B) 5 and 3 (C) 3 and
(D) -1 and -3*​

Answer 1

Answer:

X-Y=2....1

X+Y=4....2

By solving 1 and 2,

2x=6

X=3

By putting x=3 in equation 1,

X-Y=2

3-y=2

3-2=Y

Y=1

(X,Y)=(3,1)

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Answer 2

Answer:

(x,y) = (3,1) is the answer