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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
$$-5-(-18)=$$
Evaluate
$13$
Solution Steps
The opposite of $-18$ is $18$.
$$-5+18$$
Add $-5$ and $18$ to get $13$.
$$13$$
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Factor
$13$
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