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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
$$(-18)-(-2)$$
Evaluate
$-16$
Solution Steps
The opposite of $-2$ is $2$.
$$-18+2$$
Add $-18$ and $2$ to get $-16$.
$$-16$$
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Factor
$-16$
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