Check if (1, 1) is the solution of the equation x - 2y = 4.

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#### Solution

(1, 1)

Putting *x* = 1 and *y* = 1 in the L.H.S of the given equation,

*x *− 2*y* = 1 − 2(1) = 1 − 2 = − 1 ≠ 4

L.H.S *≠ *R.H.S

Therefore, (1, 1) is not a solution of this equation.

Concept: Solution of a Linear Equation

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