Question

If x- y = 2and x+ y= 4 , then find the value of 2x-3y​

Answer 1

Given that

   x- y = 2 and x+ y= 4

On adding both the equations given

   x-y+x+y=2+4

    2x = 6

     x =3

Substitituing value of x in given equation(any one)

3-y=2

y=1

Nw 2x-3y= 2(3)-3(1) = 6-3 = 3

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