Check whether the value of $x = 7$ satisfied for the equation $4 x = 28$

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Solution

For checking whether $x = 7$ is a solution or not for $4 x = 28$
Put $x = 7$
$L H S = 4 x = 4 (7) = 28$
RHS $= 28$
As, RHS=LHS
Therefore, $x = 7$ satisfies equation $4 x = 28$

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