Question

if A=x+y and B=x-y find A+B​

Answer 1

Answer:

as given A=x+y. and B=x-y then

Step-by-step explanation:

A+B= (x+y)+(x-y)

=x+y+x-y

=2x

Answer 2

If A = x + y and B = x - y then A + B = 2x

Given :

A = x + y and B = x - y

To find :

The value of A + B

Solution :

Step 1 of 2 :

Write down the given expressions

Here the given expressions are

A = x + y and B = x - y

Step 2 of 2 :

Find the value of A + B

A + B

= ( x + y ) + ( x - y )

= x + y + x - y

= x + x + y - y

= 2x + 0

= 2x

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