Question

if A=x-2, B=y+2 and C=2y-x the shoe that A +B+C=3y​

Answer 1

EXPLANATION.

⇒ A = x - 2.

⇒ B = y + 2.

⇒ C = 2y - x.

Show that : A + B + C = 3y.

As we know that,

Put the value of A, B, C in the equation, we get.

⇒ A + B + C = 3y.

⇒ (x - 2) + (y + 2) + (2y - x) = 3y.

⇒ x - 2 + y + 2 + 2y - x = 3y.

⇒ 3y = 3y.

Hence Proved.

Answer 2

Answer:

To prove: A+B+C= 3y

Step-by-step explanation:

Proof :-

A+B+C =3y

= x-2+y+2+2y-x = 3y

= x-x+2-2+2y+y = 3y

= 3y = 3y , Hence proved A+B+C = 3y

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