AlvinC391167 AlvinC391167

03-11-2022
Mathematics

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Simplify: 4 open vertical bar 7 minus 9 close vertical bar space plus open vertical bar negative 7 close vertical bar

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EleseS752227 EleseS752227

03-11-2022

ok

[tex]\begin{gathered} 4|\text{ 7 - 9 | + |-7|} \\ 4|-2|\text{ + 7} \\ 4(2)\text{ + 7} \\ 8\text{ + 7} \\ 15 \end{gathered}[/tex]

Result = 15

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