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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
$$-2-(-11)=$$
Evaluate
$9$
Solution Steps
The opposite of $-11$ is $11$.
$$-2+11$$
Add $-2$ and $11$ to get $9$.
$$9$$
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Factor
$3^{2}$
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