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Formula
Find the sum
Answer
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$$- 1 - 1$$
$- 2$
Find the sum of the negative numbers
$\color{#FF6800}{ - } 1 \color{#FF6800}{ - } 1$
$ $ Put negative numbers in parentheses $ $
$\color{#FF6800}{ - } \left ( 1 + 1 \right )$
$- \left ( \color{#FF6800}{ 1 } \color{#FF6800}{ + } \color{#FF6800}{ 1 } \right )$
$ $ Add $ 1 $ and $ 1$
$- \color{#FF6800}{ 2 }$
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