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Basic Math
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$-2-(-13)$$
Evaluate
$11$
Solution Steps
The opposite of $-13$ is $13$.
$$-2+13$$
Add $-2$ and $13$ to get $11$.
$$11$$
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Factor
$11$
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