Verify: $(156 + 273) + 74 = 156 + (273 + 74)$

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Solution

Verifying the expression
The given expression is $(156 + 273) + 74 = 156 + (273 + 74)$
$\begin{array}{rcl} LHS & = & (156 + 273) + 74 \\ = & 429 + 74 \\ = & 503 \end{array}$
Also,
$\begin{array}{rcl} RHS & = & 156 + (273 + 74) \\ = & 156 + 347 \\ = & 503 \end{array}$
AS, $L H S = R H S$ , the given expression is verified.

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