Question

if x is equals to a y is equals to B is the solution of the pair of equation x minus y is equals to 2 and X + Y is equals to 4 find the value of a and b​

Answer 1

Answer:

It is the correct answer

Answer 2

Given : x = a , y = b and x-y = 2 ,x+y = 4

To find : The value of a and b

Solution :

x = a

y = b

given equations :

x-y = 2 ..(1)

x+y = 4..(2)

solving 1 and 2 by elimination method

we get

x = 3

put the value of x in equation 1

we get

x -y = 2

3 -y = 2

-y = 2-3

-y = -1

y = 1

thus

x = a = 3

y = b = 1

hence ,The value of a and b are 3 and 1

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