Simplify $123+11$ in $mod 11$

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Odinaka_OTyro

Asked: January 7, 20212021-01-07T15:22:24+00:00 2021-01-07T15:22:24+00:00In: Arithmetic, Numbers and Combinatorics

Simplify $123+11$ in $mod 11$

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Simplify $123+11$ in $mod 11$

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Sengemegz · Accepted Answer · 2021-01-09T20:40:36+00:00

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Sengemegz Moderator

2021-01-09T20:40:36+00:00Added an answer on January 9, 2021 at 8:40 pm

$123+11$ in $mod 11$
$\Rightarrow 123+11=134$ in $mod 11$
next look for the number that will multiple 11 to give 134 or a number close to 134 but not more than 134
$\Rightarrow 11 \times 12=132$
What must be added to 132 to make it 134? is 2
$\therefore 123+11\equiv 2$ in $mod 11$

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Simplify $123+11$ in $mod 11$