Question

if (x + 3y, 6) = (4, X–Y), then value of x + y equals​

Answer 1

Step-by-step explanation:

x+3y=4

x-y=6

- + -

y=-1/2

x+1/2=6

x=11/2

x+y=11/2-1/2

x+y=10/2

x+y=5

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Answer 2

SOLUTION

GIVEN

( x + 3y , 6 ) = ( 4 , x - y )

TO DETERMINE

The value of x + y

EVALUATION

Here it is given that

( x + 3y , 6 ) = ( 4 , x - y )

Comparing both sides we get

x + 3y = 4 - - - - - - (1)

x - y = 6 - - - - - - - - (2)

Adding Equation 1 and Equation 2 we get

2x + 2y = 10

⇒ 2( x + y ) = 10

⇒ ( x + y ) = 5

FINAL ANSWER

The value of x + y = 5

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