Question

What should be added to 2+ xy + 2 to obtain 22+3y

Answer 1

Answer:

Let the unknown value be a

So, as per question,

2 + xy + 2 + a = 22 + 3y

⇒ a = 22 + 3y - (2 + xy + 2)

⇒ a = 22 + 3y - 2 - xy + 2

⇒ a = 22 + 2 - 2 + 3y - xy

⇒ a = 22 + 3y - xy

∴ Hence, 22 + 3y - xy should be added to 2 + xy + 2 to obtain 22 + 3y.

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