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Question
Decide whether x = 2 and y = –1 is the solution of the equation 2x + y = 3 or not?
Sum
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Solution
L.H.S. = 2x + y
= 2(2) – 1
= 4 – 1
= 3
= R.H.S.
∴ x = 2 and y = –1 is the solution of the equation 2x + y = 3.
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