Q. 75.0( 1 Vote )

If x + y = 10 and x – y = 2, then value of x is
A. 4

B. – 6

C. – 4

D. 6

Answer :

x + y = 10

⇒ y = 10 – x substituting this value in x – y = 2

We get,

x – (10 – x) = 2

⇒ 2x – 10 = 2

⇒ 2x = 12

⇒ x = 6

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If x + y = 10 and x – y = 2, then value of x is A. 4B. – 6C. – 4D. 6