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 which of the following is a solution of equation x+2y=7

a) x=3,y=5

b) x=3,y=-5

c) x=3,y=2

d) x=0,y=7

It can be observed that the x = 3 and y = 2 satisfies the equation x +2y = 7.

as 

Hence, option (c) is correct.

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c) x=3 , y=2

.

Because on substituting the values of x and y, this is the only solution which satisfies the equation.

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