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Formula
Find the sum
Answer
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$-15-6$
$- 21$
Find the sum of the negative numbers
$\color{#FF6800}{ - } 15 \color{#FF6800}{ - } 6$
$ $ Put negative numbers in parentheses $ $
$\color{#FF6800}{ - } \left ( 15 + 6 \right )$
$- \left ( \color{#FF6800}{ 15 } \color{#FF6800}{ + } \color{#FF6800}{ 6 } \right )$
$ $ Add $ 15 $ and $ 6$
$- \color{#FF6800}{ 21 }$
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