Eeteye6e3yh3h3jejeieueirir7r

asked Dec 2, 2023 109k views

5 votes

by Rliu

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1 vote

Answer:

Step by step explanation:

To calculate the expression 3a-7 when a=7, we need to substitute a=7 into the expression:

$\begin{gathered} 3a-7=3(7)-7 \\ 3(7)-7=21-7 \\ 3(7)-7=14 \end{gathered}$

Olena Horal answered Dec 5, 2023

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