Question

if x+y=4and x-y=2,find x and y
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Answer 1

Step-by-step explanation:

X=4-y.............equation1

Putting value of x in equation 2

4-y-y=2

-2y=-2

Y=1.........value of Y........... Equation 3

Putting value of equation 3 in equation 1

X=4-1=3

Answer 2

Answer:

1st condition

x+y=4

x=4-y.......1

2nd condition

x-y=2

x=2+y.....2

By putting equation2 in eq.1

x=4-y

2+y=4-y

y+y=4-2

2y=2

y=2

Therefore, x=4-y

x=4-2

x=2

Step-by-step explanation:

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