Check whether the value of $x = 3$ satisfies the equation $6 + 2 x = 12$ or not.

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Solution

For checking whether $x = 3$ is a solution or not for $6 + 2 x = 12$
Put $x = 3$
$L H S = 6 + 2 x = 6 + 2 (3) = 6 + 6 = 12$
RHS $= 12$
As, RHS=LHS
Therefore, $x = 3$ satisfies equation $6 + 2 x = 12$ .

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