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Martin Nordholts · Answer 1 · 2023-09-24T08:27:17+0000

To determine the corresponding expression to 7(1+3) distribute the multiplication on the parentheses term. This means that you have to multiply each term inside the parentheses (1 and 3) by 7:

$\begin{gathered} 7(1+3) \\ 7\cdot1+7\cdot3 \\ 7+21 \end{gathered}$

The corresponding expression is 7 + 21

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