Any solution of linear equation 2 x+0 y+9=0 in two variables is of form:

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4. Linear Equations in Two Variables

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Any solution of the linear equation $2 x+0 y+9=0$ in two variables is of the form:

A

$(-9,0)$

B

$\left(0,-\frac{9}{2}\right)$

C

$\left(n,-\frac{9}{2}\right)$

D

$\left(-\frac{9}{2}, m\right)$

Solution

The given linear equation is $2 x+0 y+9=0 \Rightarrow 2 x=-9$

$\therefore \quad x=-\frac{9}{2}$

Since the coefficient of $y$ is $0$ in the given equation, the solution can be given as $\left(-\frac{9}{2}, m\right)$

Standard 9

Mathematics

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