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Determine whether the point (4,-2) lies ...

Determine whether the point `(4,-2)` lies on the graph of the equation `2x+y=6` or not.

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If the point `(4,-2)` lies on the graph of the equation `2x+y=6`, it should satisfy the equation.
Substituting `x=4` and `y=-2`,
LHS `=2(4)=(-2)=8-2=6`
RHS`=6`
`:.` LHS `=` RHS
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