X=5, y=2 is a solution of linear equation

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4. Linear Equations in Two Variables

easy

$x=5, y=2$ is a solution of the linear equation

A

$x + 2 y = 7 $

B

$5x + 2y = 7$

C

$x + y = 7$

D

$5 x + y = 7$

Solution

Quadrant $I$ consist of all points $(x, y)$ for which the $x$ and $y$ are positive.

So, the positive solution of the equation $ax + by + c =0$ always lie in the $I^{st}$ quadrant.

Standard 9

Mathematics

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