1.

If x= a and y= b is the solution for systems equation x-y = 2 and x + y =4 then the value of a and b are

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ANSWER:

As x=a and y=b then

⇒a−b=2............(1)

⇒a+b=4............(2)

ADDING eq 1 and eq 2

⇒2a=6

⇒a= 6/2 =3

Substitute the VALUE of a in eq 1

⇒3−b=2

⇒−b=2−3

⇒b=1

Hence the value of a=3 and b=1


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