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Check which of the following are solutions of the equations $2x -y =6$ and which are not.$(2,-2)$
Given:
$2x -y =6$
To do:
We have to check whether $(2, -2)$ is a solution of the equation $2x -y =6$.
Solution:
To check whether $(2, -2)$ is a solution of the equation $2x -y =6$, we have to substitute it in the given equation.
Therefore,
$2(2)-(-2)=4+2$
$=6$
$(2, -2)$ satisfies the equation $2x-y=6$.
Hence, $(2, -2)$ is a solution of $2x-y=6$.
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