Question

If x – 2y = 2 and x + 2y = 2, then the value of x – y is:


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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

x – 2y = 2 _______ 1 Eqn

x + 2y = 2 _______ 2 Eqn

Adding Eqn 1 and Eqn 2, we get

x - 2y=2

+ x - 2y=2

____________

2x= 4

x=4

2

x=2

Put x=2 in Eqn 1,

x-2y=2

2-2y=2

-2y=2-2

y=0

-2

y=0