In the algebraic equation $x + 2 = 5$ , the value of unknown is

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Solution

The correct option is B 3
Given, $x + 2 = 5$

We need to solve $x$ by isolating it on one side of the equation.

$\Rightarrow$ Subtract both sides of the equation with 2 to eliminate the constant on the left side of the equation.

$\Rightarrow x + 2 - 2 = 5 - 2 \Rightarrow x = 3$

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