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Question


Which of the following equations have x = 7, y = 3 as solution?


Options:
A .   x + y = 4 
B .   x + 3y = 16
C .   x - y + 4 = 0
D .   x + y = 7 
Answer: Option B
:
B

The solution of the linear equation should satisfy the equation. The given values of x and y are 7 and 3 respectively.


Among the given equations, only the equation x + 3y = 16 is able to satisfy the equation.
7+3(3)=16
Hence x=7 and y=3 is the solution of   x + 3y = 16. 



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